I plan on putting plywood floors where I have the plywood cut in 4-8 in. strips then staining them to bring out the grain and then cover with with poly?

So even though it may be stained or damaged at the end of the lease term, if it is more than 4 years old, you cannot charge the tenant for it's replacement. 

For example, depending on condition of kitchen cabinets etc i just stain or paint and put new fixtures.

Are these doors and trim stain-grade or paint-grade?

The tenant in an upstairs unit moved out after one year and left large black stains on the wall where she had furniture or wall hangings. 

We take care of our walls, no bad damage except for pushpin marks in the walls from hanging things and grease stains that are/were easily cleaned off the kitchen walls.

One agent said it didn't have good curb appeal but the HOA said no to staining the brick exterior front to make it look newer and changing the building entry door.Property is at - 1304 Adams Street NE, Unit 2, Washington, DC. 20018 

 Assuming the Exterior is completely dried in, the next steps to finish the project would be:Drywall or Wall Finish - a Cabin in Montana might prefer a Wood Finish instead of the Drywall we typically use in Arizona - Possibly a combination of both; I suspect Drywall would be least expensive but maybe not as Aesthetically correct.Assume an inspection is required to confirm proper Nailing of Wallboard prior to next steps - Make sure Wiring and Plumbing passed inspection prior to installing Wallboard.Tape, Texture, and Paint - If Drywall is used, not required for a Wood Wall Finish, but Wood might need to be Stained and Sealed.Flooring - Carpet, Tile, WoodMillwork - Cabinets and CountertopsElectrical Trim - Includes installation of Electrical Outlets, Switches, and Light Fixtures. 

The cleaners could not get stains off.

A light cream or grey would make your stained columns really pop and provide great curb appeal.