It might be possible to 'take over' seller's account, but that can get very messy and is probably against AirBNB's rules.What I did when we bought an AirBNB unit: at the top of the listing was a line that said the the unit was under new ownership as of month/year, and to check out all of the great reviews at <link to old listing> and that nothing has changed. 

Upgrades would have to be in line with the neighborhood (so gold plated fixtures would not be paid for) but it's super rare for this to occur.

But I’m afraid I’ll play the safe bets and there are only two options. 1) Purchase to short term rent in an accepting community.

Your best bet is to be close to public transportation which is plentiful in NJ and to househack to optimize finances.

Go over and clean the condensate line , takes about 5 minutes 

Think of William Wallace screaming for the line to hold and hold.

I would reply with something along these lines: "Dear Misty, I'm so sorry to hear about your mom's health.

Your best bet is to talk to a local real estate agent.

This means building up your cash reserves, paying down (or off) your debts, and opening any credit lines you are going to need.

They will tell you how you can call your CC companies and increase your credit line all so you can purchase more of their classes.You might get a good tip here and there, but I wouldn't be surprised if the info they give you only leaves you with more questions.