Find someone who DOES value their reputation, or at least their wallet!

These parts are readily available new at the hardware store, and normally, you would want to replace a failed part with a new part. 

All new lever door handles, new light fixtures, marble top bathroom vanities, new faucets and bath hardware, new toilets, new ceiling fans and much more.By the time I had finished..

Example of a self-contained video would be "How to Tenant/Kid Proof Your Bathroom Hardware" as this would have a much larger audience with both REI and also DIY niches.  

I would just replace all the hardware so it matches and charge them for the cost. 4.

Get your wallet out lol

Most handymen, plumbers, and electricians should be lower than that.The initial cost of locks is high because they are replacing the hardware.

Purchase price: $450,000 Cash invested: $150,000 Sale price: $775,000 Invested in old hardware store.

They had stripped out half the hardware for the bathroom, practically destroyed the kitchen area, and the furniture that the apartment was rented with was totally trashed.

We repaired the roof, installed brand new flooring throughout, completely remodeled the bathroom, painted the walls and cabinetry, installed new doors and door hardware throughout, and spruced up the landscaping.