If you are able to get a 30yr fixed @ 7 percent and roll all of your improvements into the loan, you are looking at around 300 a month extra, but thats not pure cash flow.

A RE lawyer would draft a TIC Agreement that describes ownership %'s, living arrangements, exit strategies, rules for funding maintenance and capital improvements, etc.

You make it desireable, and not just some commercial improvement project, it will sell..

Is it high because owners were catching up on deferred maintenance to either sell or improve vacancy rate?

If most of your neighborhood are 3 beds with only a few 4 beds then you may over-improve the house and not recoup as much when you sell.

Mostly through changes in use, improvements, lease changes and other active management techniques.The deals are there for those who have a plan and know how to screen in or out the deals they are looking at.

I lived there for 3 years, did some minor improvements, increased the rents, and refinanced to a cheaper mortgage.

Often used to do major home improvements.

Who pays for the building or Tenant Improvements is spelled out in the lease.

Controlled tests so you continuously refine the process to improve results.There is a trade organization called Direct Marketing Association.