Since this approach relies primarily on true documentation rather than estimates, it is typically the most accurate.

"A second question is if I finance the car purchase can I also deduct the business use portion of the interest charged on the loan?"

That probably in most cases for me, will result in a delay between the time you call and the time we can prepare that document, get it to you to review and sign, and then schedule a showing. 

I would start with the marketplace section here on BP. 

I am not used to the BPockets UI.... 

I was aware of the egress requirement, but was not considering the door size or ceiling heights.

I wouldn't suggest you buy a single-family home to live in because the additional cost outweighs the benefits.

I've seen this and it's the blind leading the blind.

I had a chat with them on the phone as i was curious about the funding.. but came to the conclusion that the down payment ( the client made to buy) was probably what they paid for the property and the seller carry back note was the profit.. and then the seller carry back note is sold to yet another investor.. who is investing for coupon money.   

The credit score is the single best indicator of how one pays their financial obligations.