Have your insurance guy confirm it can be insured.

Being in the beginning stages of investing,  should I still be saving receipts for gas,  books, office supplies (new printer,  software, ect)? 

The company I used to work for sold software to real estate agents so they pushed me to get my license to better understand our customer base.

You need to see a Profit & Loss statement from his bookkeeper's accounting software or you'll have to build it yourself.

@Tawnie VinitnantharatYou know, with the right software, the exact bill can be expense-billed to the tenants.

You can still buy house with 3% down payment for confirming loan limit.  

You might want to confirm with bank/broker that indeed, like the estimate says, there is no Loan Origination Fee.

Now I'm out of the 14-day grace period during which multiple pulls won't hit my credit score.I think I already know the answer to this question, but wanted to confirm - is it worth it to fire it up again, take the second credit pull and shop around for the next 14 days?

I assume you have seen the actual permits, but if you have not confirm that they exist for the work that has/will be done. 

I’ll be getting help to make the down payment (still confirming the upper limit), and I hope to have it be a live-in property so I can funnel my usual rent payments into equity instead.Based on the BP eBook, I’ve identified that the best strategy for me is to get a small multi-family unit.