•Make sure to research the estimated tax assessment post-sale so you’re not caught off guard with a much higher tax bill than expected.6.

So many people come in and are looking for a spreadsheet to estimate for them and they don't understand the basics of what numbers they are inputting.

STRs demand more time even though alot of things can be automated. you will managing cleaners, damage, guest experience, supplies, and more.4) Use AirDNA to see what an estimate of revenue can be, check Airbnb in your local neighborhood to see if anyone else if getting higher rates, and use BiggerPockets STR calculator to see what common expenses you may be forgetting.

The city has already approved the permits, and the cost to rebuild the 1200 sqft. house is estimated at around $120K.

It sounds like you have an "estimated" revenue and not actual revenue going back a few years?

It was originally listed at $599K, but I was able to negotiate it down to $495K.I connected with my GC, shared the pictures, and he estimates the rehab costs to be around $80-85K.

So, how long do you estimate that you will live there? 

So the assumption of $1k per month isn't far ofIt is far off if doing an estimate of sustained expenses.   6 units at $1200 is $200 unit/month.  

You can use a tool like AirDNA to get estimates of property performance in your specific market and with your typical size and configuration of home.

@Jon LaBorde An estimate like that is going to be useless for you because it depends on so many factors.