(You can find some tips for negotiating with creditors here.)The form is way more common than you may think.

Also, is it common for perspective tenants to also try and negotiate price of rent?

I’ve heard that it’s difficult for self employed workers to get loans.

Rules about use of kitchens and common areas, visitors, quiet hours, etc.

Tenants in Common, Joint Tenants, Self, LLC, Corporation? 

I am a self employed small business owner. 

If this is the case generally you would report your flip activity on Schedule C of your 1040 and any net taxable income from the flips would be subject to self-employment taxes on Schedule SE.Encourage you to work with a tax CPA/EA this upcoming year if you aren't comfortable DIY.

Another common funding is 90% finance with a maximum LTV of 70%.

Also, something that doesn't normally come up in SFH expenses is bills for common areas.

While it is possible to continue the eviction after the sale it would require a motion to substitute the Plaintiff (obviously not a very common motion) that could give the Defendant 14 days to respond, and regardless would necessitate an order before they could proceed.