Self-Managing 46 Units While Working a Full-Time Job

Yes, you can run a 46-unit portfolio around a corporate job, but not by working nights and weekends. Self-managing rental properties while working full time works when you stop being the person who executes and become the person who routes — a 30-second triage decision, forwarded to a handyman who closes the loop without you.

Nate Fernandez owns seven six-unit buildings and a four-unit in Broadview and Bellwood, on Chicago’s west side, while working as a senior manager of purchasing operations at Blue Cross Blue Shield with five direct reports and three kids under seven. He went from zero to 46 units in about six years without hiring a single employee.

What follows is the operating loop he runs, the moments it breaks and he has to show up anyway, the leasing system that replaces a leasing agent, the per-door buy box that keeps maintenance volume survivable, and the honest ceiling of a one-person shop.

From the Real Estate Pros Show

This article draws on an interview with Nate Fernandez of Optimum Process Partners on the Real Estate Pros Show, hosted by Issa Hanna.

Self-Managing Rental Properties While Working Full Time Starts With a Triage Loop

The entire system is one repeatable sequence that takes Nate about 30 seconds between meetings. A tenant calls; he ignores the call and texts back instead. The tenant describes the issue in writing. He screenshots that text, sends it to his handyman along with the tenant’s phone number, and he is out of the conversation.

From there the handyman schedules directly with the tenant, does the work, and texts back a photo when it’s done. No follow-up call, no second coordination step, no site visit.

Three pieces of infrastructure make that possible:

• A master key for the portfolio, so access never depends on him driving over with a key.
• An online property management portal that holds the tenant records and work history.
• Automated rent collection, so he never picks up a check or makes a deposit run.

The quiet detail that makes the loop actually close: most tenants simply authorize entry when they’re not home. If every repair required the owner to meet a vendor on site during business hours, none of this survives a W-2 calendar.

Nate describes his role as air traffic control. He owns coordination, not execution. That framing is useful because it tells you what to keep and what to push out — any task where you are the only person who can make the decision stays with you; any task that just requires hands and a schedule goes to the vendor.

Forcing everything into text also creates a written record of what the tenant reported and when, which matters later if the issue becomes a dispute.

When You Still Have to Show Up in Person

The automation has a judgment layer on top of it. Nate’s trigger is tenancy risk, not repair complexity. A sewer backed up and the tenant calling three or four times is a different situation than a dripping faucet — that’s someone deciding whether they still want to live there, and it’s worth driving over to protect the lease.

The other trigger is active water. In January he flew to Puerto Rico, handed the Google phone over to his wife, and watched the forecast drop to negative 10. He texted every tenant to run their faucets. While he was scuba diving, ComEd dropped power at one of his buildings. He surfaced to roughly 30 missed calls and texts. Power came back, the boiler kicked on, and he thought he was clear.

Ten minutes after he walked in his front door from the flight — 8pm, bags still on the floor — a tenant texted that water was coming out of her cabinet. He tried to talk her through shutting off the water and she had no idea where the valve was. So he got in the car, drove over, shut it off himself, and had a plumber there at 9am. Total damage: $500-600.

That number is the whole lesson. A burst pipe left running overnight is a claim that eats a year of cash flow on a six-unit. Contained in an hour, it’s a line item.

Two things to copy: show every tenant where their shutoff is at move-in, and treat your plumber well enough that he comes the next morning during a week when every landlord in the city is calling him.

I consider myself just air traffic control now. Tenants text me, I send that text straight to my contractor with their number, he coordinates it, sends me a picture, I’m done.

— Nate Fernandez, 46-unit owner-operator, Chicago west suburbs

Leasing in Blocks Instead of One-Off Showings

Nate does all the leasing himself, which means individual showings are impossible. His replacement is two open house blocks during the week the unit comes available. Prospects come to him, in a window he chose, and the no-show problem stops mattering — if half the people who said they’d come don’t, the block still had traffic.

The more valuable part is the decision rule that follows. If the unit doesn’t rent off those two blocks, the price is wrong. He doesn’t run a third weekend, doesn’t re-shoot photos, doesn’t wait for the right person. He cuts the rent $50 and moves on.

That rule is specifically an owner-operator’s rule. A management company has staff whose job is to keep showing a unit; the cost of a slow lease-up is spread across their portfolio. For a self-manager with a day job, every extra week of marketing costs personal evenings on top of the vacancy. Two blocks of concentrated effort plus a fast price correction is cheaper than a month of drip showings at the asking rent.

Worth noting what he is not doing: there’s no Section 8 or government subsidy in the portfolio. Everything is market rent. That’s a deliberate consequence of the value-add model — he rehabs units to a standard that attracts market tenants and then prices to fill fast. Clean unit, two open houses, $50 cut if needed, get the right tenant in and avoid the headaches that come from holding out for an extra $50 you were never going to get.

The Buy Box That Keeps Management Volume Low

The reason the triage loop doesn’t drown him is that he buys buildings that will eventually stop generating calls. Some of his stabilized buildings get about five maintenance calls a year. That’s the output of heavy upfront rehab, not luck.

The thesis: buy mismanaged, under-rented, underappreciated buildings — typically from someone who has owned it 40 years, owns it free and clear, is tired, and has been painting over problems instead of replacing countertops to get the next renter in. Then rehab one unit turn at a time, raise rents to market, and reposition.

Plan for turnover on takeover. Nate budgets two or three evictions every time he buys a building. That is a cost of the strategy, not a sign the deal went wrong.

The price discipline is where it gets specific. He targets $70-85 per door in Broadview and Bellwood. Sellers are listing at $95-100 per door on buildings that still have long-term under-market tenants in the description and need roughly $100K of rehab. He won’t pay for the upside twice.

Recent evidence it works:

• An 18-unit bought at about $79 per door, against a comparable 12-unit that traded around $96 per door — and his units are two-bedrooms where the comp was all one-bedrooms.
• A six-unit listed at $95 per door that fell out of contract three times. Heading into winter with a motivated seller, he got it near his number.

Deals that have sat and busted twice are the ones worth re-approaching in November.

Funding Deals When You Don’t Have the Cash

Nate’s first deal in 2020 was a four-unit he couldn’t afford in cash. He didn’t have $100K, so he took a loan against roughly half his 401(k) to do it — over his parents’ objections, who held the standard view that retirement money stays in the retirement account.

The reasoning was specific, not reckless. Watching his parents absorb 2008 and then realizing that nearly all of his own money was locked up until 65 made the tradeoff clear to him: he wanted cash flow now, not a balance he couldn’t touch. He also spent two years analyzing deals before buying anything. That four-unit became one of his best deals and later 1031’d into the 18-unit.

Since then the capital stack has broadened. He uses hard money when speed matters and he needs to make a cash offer on a good deal. He’s raised private money, brought in equity partners, pulled HELOCs, and used 1031 exchanges.

The refinance math shows why the value-add buy box feeds the capital side. He bought a six-unit for $400K in February and refinanced it at a $565K appraised value, pulling nearly all of his cash back out. That recycled capital is what funds the next acquisition without a new raise.

Asked to rate his financial readiness if two deals landed tomorrow, he said 10 — not because he has cash sitting idle, but because he has a four-unit he can 1031, buddies who’ll fund, and hard money available. Readiness is a list of live options, not a bank balance.

The Ceiling of a One-Person Operation

Nate is candid that the system has a hard limit, and it’s him. He has no employees — just subs he calls when needed. Tenants text him, not the handyman. He does all the leasing. If he went dark for 30 days, he says the business would be cracking and there would be fires to put out.

He makes a distinction worth repeating. He could hand out his realtor’s emergency line while off the grid, and John Warren would probably cover it as a favor. But that’s relying on someone else’s business, not having one that runs without you.

His own ratings map the gaps precisely:

• Acquisition marketing: 3-4. He networks and works brokers but does no direct-to-seller outreach — no postcards, no skip tracing, no cold calls. That’s a time constraint, and it’s the main reason quality deal flow is his hardest problem.
• Acquisitions: 8-9. Price discipline and creative funding carry this one.
• Operations: 7. He closed 24 units within two weeks of each other this year, going from 26 to 46 doors, and admits he could have moved faster and held his contractor more accountable with more bandwidth.

The strategic question he hasn’t solved is whether to keep buying scattered six-units or make the jump to a single 30- or 60-unit building. Bigger buildings often price higher per unit, but one roof with one set of systems is less coordination than five buildings — and he wants enough margin in the deal to absorb the mistakes he knows he’ll make on the first one.

Frequently asked questions

Can you really self-manage 40-plus units while working a full-time job?

Yes, if the units are stabilized and you route rather than execute. Nate Fernandez manages 46 units — seven six-units and a four-unit — around a senior management role with five direct reports, because his involvement in a typical repair is one forwarded text.

The prerequisite is the asset, not the system. Buildings that got full upfront rehab generate few calls; some of his get about five maintenance calls a year. A portfolio of deferred-maintenance buildings would break the same workflow in a week.

How do you decide when to handle a maintenance call remotely versus showing up in person?

Show up when the problem threatens the tenancy or the building. A backed-up sewer with a tenant calling three or four times means go, because that tenant is deciding whether to renew. Active water means go immediately, regardless of the hour.

Everything else — appliances, fixtures, routine repairs — goes straight to the handyman with the tenant’s number and closes with a completion photo.

What price per door should a small multifamily investor target in a competitive market?

There’s no universal number; it’s set by what rehabbed, stabilized product trades for in your submarket. In Broadview and Bellwood, Nate targets $70-85 per door while sellers list at $95-100 per door on buildings that still need roughly $100K of work.

The test is whether the list price already includes the value you intend to create. If it does, pass — or wait for the deal to fall out of contract a few times and re-approach near your number.

Is taking a 401(k) loan a reasonable way to fund a first rental property?

It’s a real option that some investors use, and Nate used one in 2020 to buy a four-unit when he didn’t have $100K in cash. That deal appreciated, cash flowed, and later 1031’d into an 18-unit.

It also carries repayment rules, job-separation risk, and tax consequences that vary by plan and situation, and his parents pushed back hard at the time. Review the specifics with your plan administrator and a tax professional before you treat it as your down payment.

How do you build a contractor and vendor team from scratch in a new market?

Start with an investor-realtor who owns and manages property, not just one who sells it. Nate’s realtor manages over 200 units and responds to any problem with three names — the cheap guy, the expensive guy who’ll definitely do the job, and the middle-of-the-pack guy who shows up.

Searching Google or Thumbtack surfaces whoever markets best, not whoever works best, and you’ll typically pay a premium for worse service. The goal is access to someone else’s Rolodex, and the way you keep it is by sending referrals back.

The bottom line

If you’re trying to hold a portfolio together around a day job, the highest-value change isn’t a new app — it’s deciding in advance which problems you personally touch. Write down your two or three escalation triggers, show every tenant their water shutoff, and push everything below that line to one handyman with a completion photo as the close.