I had a house where the shoe at the bathtub drain was leaking into the crawl and causing an odor.

Their kitchen is directly beneath mine and whenever they cook, their cooking odors travel up and become overwhelming in my unit.  

Some of the improvements include:Replacing the existing carpet with LVP (They had animals and there is a distinct odor)Replacing the acoustic drop ceilings (They painted the existing drop ceiling black)Removing a sliding glass door and replacing it with a french door for rental entranceReplacing the existing fluorescent lighting with can lightingReplacing painted wood panel with drywall, finishing, and painting said drywallMoving walls around to block off some areas and to make some areas biggerAdding a kitchen, which include cabinets, sink, range, and maybe a dishwasherCreate a path leading from my driveway around the backyard to the basement entrance.My space is about 1200 SF and I mentally prepared to spend about 15K to redo the basement to an acceptable quality level.

The IRS called foul, and they and their tax attorney spent the next five years training IRS agents on how to properly interpret the tax code.They won EVERY ARGUMENT!

FGS) and still file for eviction so that it is ready when the courts open back up... if the tenant is paying as agreed under the new agreement no harm no foul... but if still not... you can proceed swiftly through an eviction when they open up... it really is that simple.  

New blinds are cheap, smoke odor can be fixed by new paint/flooring and/or an ozone machine.

No harm...no foul. 

Since I moved in I smell an awful odor.

In my apartment building I evicted a filthy resident that was infesting the entire building with rodents and odor.

Keep the receipt from them and take the cost out of the security deposit.Understand that those with pets are often unaware of the hair/odors they leave behind so evidence to justify this is very useful.GailP.S.