One core CRM, very clear segmentation by motivation and deal type, and a consistent follow-up process that does not depend on the founder remembering to do it.Once that foundation is tight, adding tools actually compounds results instead of creating more work.

The cost is minimal during construction (way cheaper than retrofitting), and it's a permanent upgrade that compounds through lower turnover for the life of the property.

A reasonable 3%/ year increase in appreciation (let’s say on a $300,000 house) is going to give you an extra $45,000 in 5 years if you keep the math simple and not compound, etc.  

Financing delays are annoying, but if you locked in your loan terms before you acquired, you're covered.Timeline is the killer because it compounds everything else.

Your wealth builds differently -- slower cash-on-cash return in year one, but compounding starts immediately.For a first deal, my advice: pick based on your cash position and time.

With a down payment I'd have to sell stocks, pay capital gains, get no write-off, and have less compound interest (since I'd have less invested).

With 2–4 hours a week, I’d focus almost entirely on underwriting deals in one market, as that skill compounds the fastest.

i'll speak in defense of @K S. for a second though. 

Tenants thought the space was theirs (and in their defense, they were kinda right), but boundaries are crucial.

That's also roughly what you'd walk away with after selling.Scenario: Hold for 5 yearsCash flow loss: -$1,050/month x 12 = -$12,600/yearPrincipal paydown: ~$650/month x 12 = +$7,800/yearAppreciation at 3%: $650k x 3% = +$19,500 in year 1 (compounding each year)Depreciation tax shield: ($625k cost basis / 27.5 years) x your marginal tax rate — if you're at 32% bracket with $150k+ income, that's roughly $7,270/year in tax savingsYear 1 total return: -$12,600 + $7,800 + $19,500 + $7,270 = +$21,970On $60k of equity, that's roughly a 37% return on equity in year 1.