We've only made small rent increases on existing tenants but we do raise rents a little here and there.

For legal, insurance and any other related purposes, I believe your attorney would strongly suggest you either let the lease go M2M, or replace the existing lease with your new lease (in your name or your company name), but do not create and execute an extension on someone else's lease.Most leases contain language that turns a long-term lease into a M2M upon expiration.

We are selling our existing investment home to get the equity out of it since it has horrible ROI.

Looking to point him towards an air bnb or build one on an existing property.

This is the time to be sitting in his office with copies of the CCRs, insurance policies, denial letters, City regulations, etc and asking him to get you out of this problem as fast as possible.

When downturn starts to happen they put on the brakes.These days I mainly focus on existing properties.

These students and interns need housing anywhere from 14 - 20 weeks which put them well outside the restrictions of Airbnb type regulations or zoning limitations.If anything, I believe that it is this recent crack down on short term stays that would make serving this demographic an even more attractive option for the savvy real estate investor.

We would need to mortgage our existing portfolio, which we own free and clear. 

Well, there's a lot of questions you should get answered regarding the condition of the buildings and the existing tenants on time rent paying performance.

This occurs when the HOA has inadequate reserves, the HOA fee is too high in relation to the income of the owners, or too high a percentage of owners are not occupying their units.I would definitely insist that the note being held by the seller be assumable, if the above is correct it may be your only way to sell.Additionally you will need to see if the seller owns the property free and clear, or is he wrapping an existing mortgage note within his new seller financed note?