@Daniel Medellin Regarding your question, it would depend on the lender or bank you're working with if you want to go that route in the future. 

If in the future they try to buy a house, the lender may require it to be paid but that's a long shot. 

Stay tuned and work with their folks for details, should be some exiting things in the future.  

Higher loan balances we would likely see an opportunity in the future to refinance again due to lower rates so consider a 2-3 year prepayment penalty.Of course if you qualify for Conventional Financing (Fannie/Freddie), there are no prepayment penalties so just calculating out the return of investment timeline on point buy downs.Good luck shopping and let me know if you want to talk further!

My hope is I can gain their trust as a property manager and eventually be the one they turn to to sell later on or refer for business in the future.

Currently I'm looking for some kind of methodology, software or app, that I can use to manage the properties, which will allow for another family member to step in to my role relatively seamlessly if I were to pass in the future.

My strategy for the foreseeable future is 'buy and hold' with long-term tenants. 

Thats your bonafides to being able to do future deals.As mentioned above, keep your credit perfect.

@Chloe SalcedoStarting your real estate journey at 23 is an incredible opportunity to build a strong foundation for your future.

Good luck with all your future REI ventures!