There are still areas that are comprised of predominantly S8 rentals however, and they tend to be Class C/D locations.

A razor knife around it cutting the paint and some elbow grease usually get it moving, then address springs or weights on them plus some soap on side helps it slide. 

Utilities, taxes (property, local vacation, & income), landscaping, furnishing / decorations / amenities, pest control, & supplies (soap, TP, etc) are the big ones on my STR calculator that you didn't mention.I'd also recommend using the enemy method to determine expected income.

Essential concepts for Seller financing comprise of an initial payment, interest percentage, loan duration, monthly installments, security, and early repayment charges.

For additional context on the above matter along with in depth "soap opera' back and forth, please click on this link - https://www.biggerpockets.com/forums/48/topics/1089655-warning-dont-use-ohio-cash-flow-unless-you-want-to-lose-thousands-of-dollars?

Starting with depreciation in mind is just wrong, IMHO.Now, stepping down from my soap box...

They could firesell the property for BE even if I do a piss poor job.Not in my experience, I was only able to get financing on my first apartment because I had experience landlording prior (I had about 15 units comprised of small MF up to 4 units before I was able to get a commercial loan on 5+ units).

Furthermore, I have cultivated a substantial network comprising over 1500 potential high-earning investors with whom I've established professional relationshipsI acknowledge the significant barriers to entry in the multifamily sector.

This may partly be due to the fact that Wilmington is actually comprised of 6 submarkets.

If you don't understand that going in to it, you will fail.Now that I'm off of my soap box.