I open up a credit card specific to the property and put all expenses that I can on that.Use an excel spreadsheet to teach expenses, there are plenty of templates around online, you can look for one you like to work with and modify it for your needs and to match IRS expense categories.

Be careful of offers to “modify” your loan, this could affect you negatively on future loans.

I can purchase a property with 20% down of purchase price, they will also finance the renovations (like a construction loan), interest only upfront and after the house has a lease, they will modify the loan to 75% of ARV with no seasoning period.

Otherwise perhaps you will have to modify the door professionally. 

I have sold 3 houses FSBO [a long time ago] and always controlled the process by having MY contract, received from an atty. and modified and re-used twice.

When I did that once, they modified the original appraisal after I provided plenty of proof that the appraisal was way off base. 

Personally, I don't think either of those technologies are even remotely ready to replace traditional wood framed houses yet... traditional framed houses are fast, cheap, simple, durable (if built correctly and well maintained), easy to modify/remodel, all of the trades are already trained to work on them, etc.

The biggest things I took away were 60 day notice (2 full months) to modify rent or terminate and leases that offer the most LL protections are 6 months or 12 months because you can terminate without cause (if occupied less than 12 months) with 2 full months notice.   

The homeowner and realtor can agree on that list price or can modify it as they see fit. 

Is there such a thing, or do we use an STR property manager and modify turn over process.