Yes, you can expand (and SBA has some great options for that), but the basis for a strong expansion is really understanding how the business works.

I am looking at different loan options but to break even (not having to put any money of my own in the house after the initial down payment) the current down payment required is that much. 

Look into local tax incentives and financing options, and reach out to local real estate groups or mentors to better understand the market.Good luck!

Hard money lender/DSCR - both are good options.

Quote from @Heather Luu: Unfortunately, you would have to re-key the locks.Here's another option.

Just trying to see what is the best option. 

none of the above  Any insight into other options?

I may not even go the partnership route but I am interested in just learning about all the options I have. 

.- Suggest you try to network with other landlords in your area, check MeetUp app and others.Your other option is to hire an attorney, but understand you will have to pay them for your ignorance.

I don't have any brand preferences personally (I use Fantasy Spas at most of my units but I'm sure there are alot of reputable options), but just make sure wherever you place it is built to handle that type of weight.