Even using month-to-month leases, I've had tenants 6-8 yrs residence.There's a lot of assumptions here on BP, but the facts (at least re my MFU facts) relate a different reality - - MFUs  with good NOI sell better that fresh baked bread.

Typically the wholesaler will bake in their profit in your purchase price as the investor.

Worse yet, they didn't seem to be baked into the rents either to pass on the burden to the tenants.

In short the impacts of leverage on ROI is baked into the leverage ratio and is independent of how much the house goes up in value. 

Though the best returns obviously come from keeping the unit conditions fresh and modern.

That's why typically most deals will sell the property and then the investor can move into a new property where they can get fresh depreciation.

Do we have the right to ask for a new carpet or HW floors in that room only and fresh paint?

If someone was concerned about a complete collapse of the system, then I would think owning land in a tropical environment where you have the ability to live off the land and have access to fresh water.

In the resources section of this site Phil C. has modified a model I used to use for multi-familiy product that bakes in stuff like this so you don't have to use your own model.

1 Hulk Hoagie2 No if's and's or but's, just fresh cold cuts!