I would not waive inspections and escalation clauses are great, don't put a cap (because if it goes too high then you just walk away) and leave the appraisal contingency. 

What would you consider to be the best bang for your buck security system for short term rentals?

Do make sure their Federal Lending Cap is big enough for your growth and Scaling plans. 

Owner Financing Offer ( What you are showing them )Sale Price: $350,000Down payment: $20,000Seller-financed note: $330,000 @ 3% for 30 yearsBalloon payoff: Year 8Day 1:$20,000 (immediate cash)Monthly Payments:$1,392.97 × 96 months = $133,725 received over 8 yearsInterest portion ≈ $71,150 profitPrincipal = $62,575Balloon Payment (Year 8):Remaining balance ≈ $267,425Total cash to seller : $421,150 Net after estimated seller costs and capital gains: closing cost estimate: $5200 and cap gains: $35,787  Seller nets : $380,163Caveat:  This is also assuming he isn't trying to 1031 the subject property.Say you successfully build rapport and identify why seller is selling and say they all align, here is how I would frame it exactly:" if you sell the traditional way, you walk away with about $350k once the agent, closing costs and taxes are done and on the lender's timeline.

For the HOA, you'll want to review meeting minutes, financials, and see if there's a rental cap because ideally you'll want to rent out post-move out or if there's a spare bedroom, be able to rent that. 

This is where sudden bans and caps are most likely to happen.3.

Because these are investment properties and you’re out of state, line up a North Carolina real estate attorney to draft the sales, deed, and any gift addenda correctly, and ask your loan officer upfront about their rules on gift‑of‑equity for non‑owner‑occupied deals, seasoning of title, and any cap on interested‑party contributions.

You’re gonna have every single items starting out new so your cap X is easier to plan for.

Made me think of a couple others that I've come across;Cap Rate Hero: Buys a SFH and rents by the room.

Excluding cap ex.You've been here once, two weeks ago, asked your questions and haven't been back since?