So we are familiar with the north GA, western NC area.My wife's aunt and uncle are selling their house in Franklin, NC.

I am considering working with a property developer in NJ to buy land, build a duplex/triplex and sell it (6-9 month time horizon).  

Many are buying properties, doing minimal renovations to keep their crews busy, and selling with small or zero profit margins.Cash buyers are a priority.

Maybe they'll change their name again and/or sell the business to someone else.  

I'd recommend talking to local investors of your prospective cities to get positive and negative feedback, someone who isn't trying to sell you anything.Do you mind sharing how much capital you have to invest in?  

Watch it for a while, track listings, see what sells and what doesnt, what areas move quickly, etc.

If you don't do anything within the software, maybe only your bookkeeper needs the software and he/she can print out the reports for you.If you want access, then you and the bookkeeper would need the desktop version and possibly a shared folder like google drive to share the quickbooks file.Intuit used to sell the quickbooks desktop(one time purchase).

Fast forward 2 years his landlord mentioned in passing he might sell the property; I was the first person on his mind.

@Susana Alcorta, Howdy, you have a lot to consider, let me give you one man's opinion.Let's tackle the selling the home or not in Pflugerville.  1.  

As an investor trying to sell your flips, choosing design elements that the majority of homebuyers will love is important.