The following are a few that comes to mind:(1) Holding cost/s to fix these properties far outweigh the profit the company was going to make after rehab.(2) The turnaround time to fix these properties is untenable due to the shortage of labor costs.(3) The inflated acquisition price, coupled with an extensive long lead time of raw material have exasperated the new supply of new housing inventory.(4) Institutional investors are selling/bailing because of the sentiment of https://tinyurl.com/Shoeshineboyindicator.(5) And last but not least, the AI algorithm has taken into account the above parameters and predicted a bearish outlook for the subject housing market segment.With all of the above in play, what?

Know your climate, so how frequently are you going to need to turn any heat source on?

For future reference, while appraisals don't always come in below intended purchase price, you can expect this to happen more frequently given today's market. 

@Joshua SunI am a CPA and I have frequent conversations with real estate investors to become potential clients.I find it that the conversations are not great when the 'investor' is very early on in his real estate journey(doesn't know a market, doesn't know what or where he will purchase his property).I find my conversations much better if the investor is at least under contract or has a good understanding of what he wants to buy.

One source of cities to avoid is Neighborhood Scout's 100 most dangerous cities.Disaster Risk - Some parts of the country suffer frequent natural disasters.

Although the market has changed since the book was written, subjects about how to find contractors, building a scope of work, managing contractors, how to sell your property are all still relevant.

@Seidy Lasker If the money is part of a US estate’s assets and is being distributed to a US beneficiary as an inheritance per a will, the estate beneficiary receiving the cash is not subject to US federal income tax on the amount received.

This would not be a good deal for me, but that's a very subjective question.2) Objectively you should refi for 30 years, but there are many subjective influences that can make 20 years the best choice for your personal situation.Sorry, this only qualifies your question!

There are locks (you frequently get them on airbnbs) that have a set of 10 or so codes you can program them with.

You can use several l strategies like seller financing, subject to, or OPM "private money/hard money."