If you're new to real estate or have been sitting on the sideline for a while then I could see incorrect assumptions impacting projects.I found some old draw schedules for 1200 SF rehabs I completed in Philadelphia in 2015.

Paperwork and billing was poorly explained and often incorrect.

If there are notice requirements, it's often prudent to begin those steps as a precaution but if this is a tenant you believe will catch up once their employment payment freeze ends it's important to communicate your desire for the tenant to stay so they don't interpret the notice incorrectly or completely shut down on you. 

So if only one of the four units is being rented out short-term and the other three are long-term, the overall average guest stay for the building would still exceed seven days—meaning it likely wouldn’t qualify as a short-term rental activity for the STR loophole.That’s incorrect.

Any suggestions or what you use to analyze your deals (Mainly rental especially multifamily but I was building my own spreadsheet from others to get inspired by designs and possible missed/incorrect data) I have found https://www.etsy.com/listing/1543461345/get-full-package-cas... recommended by reddit.

They should also do the upgrades you recommended, but saying that $1800 is top of the market is incorrect.

let people to make decision the better and constantly keep budget v rent/sell.

Properties I looked at 3 months ago showing up 30- 40% less and I own properties in these neighborhoods so I know the recent lower revenue estimates are incorrect so glad to hear this is a glitch AirDNA is aware of and working to fix. 

It is possible to qualify even with an out-of-state property manager, but your wife will need to stay actively involved in decisions and track her hours carefully to show material participation.I actually just sent you a guide that breaks down exactly what counts toward material participation and how to document it properly, it should help clear things up.

As attractive as this answer sounds, it is both incomplete and incorrect.