Capital gains via the installment sale method are taxed when payments are received. - Providing the seller with an immediate investment in a secure asset with steady returns.

In looking at their pictures, I see hardwood floors, or designer touches, tile in the kitchen, etc. 

It will install on any existing lock.

To get that to that code minimum level is not too hard with carpet, but much harder with tile or wood floors due to the impact noise. 

The issue is that we would probably need to install a spiral staircase to save space for the kitchen.

Since it's a rental and likely our tenants will be students, we've decided to refinish the old kitchen cabinet doors and replace the hardware rather than purchase and install new cabinet doors. 

Ranch with easy attic access to install the ceiling light?

Home Depot has something like a 7 day install guarantee.

Houses 3 through 17 have all been profitable (not every year), but that is to be expected when you put on roofs, install new HVAC, etc.

why would you have anything but tiles in Florida?