Paying cash is safe and admirable, but it totally takes away this strongest tool of real estate investing.If I asked you if you could figure out a way to earn a higher rate of return than 7%, then you should be pulling equity out and rolling it into another.

Your concerns about math are completely normal—many successful investors rely on tools like the BP calculators and focus on learning by doing rather than mastering every financial detail upfront.

For example:CapEx: $250-300 per unit per year for older properties, adjusted based on age and condition.Maintenance: $500-800 per unit per year, depending on property class and tenant turnover.Make-Ready Costs: $1,000-2,000 per unit for turnover, depending on the scope of work required.Resources and Tools: Utilize tools like BiggerPockets’ Pro Calculator or other underwriting spreadsheets that have built-in assumptions for these categories.

My net number is rental income minus expenses(3 mortgages, paying power bill at all three houses, property tax, insurance, internet in two properties).

If it is not working then you have a negotiation power, but they are not obligated to replace them.- Roof, whether it was disclose by the seller or not.

•To cash flow, consider:✅ Running a detailed STR revenue projection (AirDNA & Rabbu are great tools for this).✅ Factoring in seasonality—peak months can be lucrative, but slow seasons must be accounted for.✅ Looking at property management options—self-management can save costs but requires effort.4.

Be sure to explore all around the forums as well as many of the FREE tools that Bigger Pockets provides.I am on the lending side of things and am always happy to hop on a call to discuss loan options that are out there, even if not offered by my resources.

Amazon and Costco are so big with such purchasing power, you can often find the lowest prices on what you need.

I would need to make sure there would be enough power for each unit to run baseboards.

•For your next purchase, check if you can leverage FHA financing again—it’s one of the most powerful ways to scale quickly.Resources to Learn More•Due on Sale Clause & LLC Transfers: Nolo.com•FHA Loan Rules for Multiple Properties: HUD Handbook 4000.1•Scaling from Single-Family to Multi-Family Investing: “The House Hacking Strategy” by Craig CurelopHope this helps!