You will also have a credit on statement for pro-rated taxes due to buyer.  

How much do they make, credit score, rental history?

For anything less than that with a traditional bank or credit union, you'd likely be looking at a portfolio product (the bank/CU will hold your loan and not sell it on the secondary market). 

This was my first investment property and I used a loan from my 401k for the down payment and also used a local credit union for a 10% down payment on it when I bought it.

You can do all the prequalifying from anywhere via credit check, call references, verify income etc.Make sure you have a handy person, ac person, plumber, etc etc that you can call when you need some work done. 

There' s a buyer who will credit me the value of the lots towards a finished and tenanted property in their inventory.  

We thought snapping receipt + sending invoice email directly to QBO was super attractive.However, we are finding QBO to be also cumbersome and pricey1) Personal credit card - If I mistakenly use personal CC, I have to manually create an entry (this happens quite often). 2) Pricey - $99/month is now really adding up.WE thought it would be a great early learning and investment to adopt QBO now as we scale (hopefully to MTR and LTR).

Secondly, if you do offer these services at your property, do you use your business account, debit, or credit card to pay for the memberships?

-Should I ask for credits to repair? 

This software allows me to keep one bank account (and 1 credit card) for all my properties as you can categorize each expense to the property it's correlated to.