After doing the math, if I could increase rents to $850.00 a month, my cash on cash would sky rocket closer to 12%.

I've started to do my due diligence and the property's I'm looking at are both available for short term rental using AirBNB, and long term rental with tenants, though I actually prefer long term and would use short term as secondary choice. 

So if my math is correct, it would be $700k sales price minus $290k mortgage, so $390k...Take away the step up in basis,it is about $240k taxable sale.I feel very lost on this and would appreciate any options to try and keep this in the family to be able to keep a great cash flowing property alive.

After doing the math, if I could increase rents to $850.00 a month, my cash on cash would sky rocket closer to 12%.

fixed" It has to be secondary "variable/commercial".

Math in image below.Any information, tips, connections, or critiques would be greatly appreciated!

Most investors have very little grasp of finance concepts and even math in general.

If there was a gift tax, you have to do the math to see if the taxes need to be included in your cost basis. 

Earlier in May, I posted an article about investing for cash flow in a secondary market.

There is no math equation to buying a rental, no matter how often Biggerpockets writes a blog post telling people there is or how hard their push their calculators, books etc.