@Pratik KocharAs mentioned if you have gas and use it for heating and cooking and gas dryer, then 100 amp should be plentyIf you need to upgrade as mentioned go 200 amps but you can do a simple online calculation to determine what you need

Make sure you stay up to date on real estate investment by making use of online courses, podcasts, books, and networking opportunities.

I may be parting ways with my current provider.

I recently discovered Dauphin Island online and was wondering if this would be somewhere that would experience significant property appreciation.

The industry is changing and new services are coming online to help owners and property managers to streamline this process.  

There is a map available online that shows you where you can and can't put an STR - it's based on the location of existing STRs and on individual community HOA guidelines.

I provide transactional funding. 

Income verified online through borrower's source of choice such as bank statements, asset accounts, paystubs and IRS tax filing. 

You don't have to trade out of a single family rental into another single family rental -- there are other 1031-eligible investments that might fit by providing passive monthly income. 

They can provide an accurate answer for their program.