If you notice the missing units at the day of closing, then the seller is most likely a big concern.  

What if they missed something?

Well reading through everything the 'one missed payment' is a bit misleading.

Investment Info:

Small multi-family (2-4 units) buy & hold investment in Portland.

Purchase price: $550,000

Cash invested: $27,500

Bought this new construction duplex to operate as a house-hack S...

He doesn't do what he says he's going to do and often times can't be reached and goes missing for days.

Maybe I am missing something here but you purchased a property that was 50k under appraisal and invested 30k in it and sold it for 69k more than you paid for it.

If you miss a payment or two and the bank realizes you don't live there, though, they could call the loan due.

Just wanted to reach out to this to see what I'm missing.

However, if your inspection were to uncover a few items missed in your initial walkthrough, such as a soft spot in subflooring or an electrical issue, it’s a lot easier to ask for $1,000 here or there compared to a complete $30,000-$50,000+ rehab.The obvious answer is yes, bring your general contractor with you during the initial tour.

Is there other steps I am missing when researching a certain state / area?