Amd in order for it to work, the seller, wholesaler, and the title company need to all be on board with it and an addendum to the contract outlining the change in price needs to be created and signed.

If you don't have a key, change the doorknob to an appropriate interior knob that doesn't require a key.I provide my tenants with keys to all doors.

If a faucet goes bad and I grab one out of the warehouse who did I bill it to the first time, and how do I change the books to reflect who got it? 

Well, this my opinion, if you like unpredictability, constant change and people/contractors with no regards to you or your property then "YES" flips and STRs are the way to go...LOL....I love it!!! 

Make sure that your spouse changes some of the items.

I have been getting updates / communcation on my properties, but also after one year I'm on my third service advisor due to internal org changes. 

At times, the seller may back out, you may not get financing to go through due to changes of lending practices due to (Covid19).

Some slowed to a walk.When the terrain or wind shifts back into everyone's favor, those sitting on the sidelines will have to recognize the change, then get back on the road.

I never recommend flipping - something as a slight change in the interest rate markets can completely turn your flip upside down. 

Valuable and soon to be life changing profitability Lessons learned?