My fiance and I are in a unique situation as I play baseball professionally, and she works online and plans to live with me during my season.

There are also many online calculators you can use if you do a search for them.

The lot is paid off and deeded to our LLC, but lender will not do conventional loan to LLC for the remaining financing so we'd need to take out a loan in our personal names. 

I've done this with my properties because I'm well known in my small town and don't want people to know what I own.LEGAL PROTECTION: By placing your assets in an LLC, you are legally separating them from your personal assets.

It separates your personal assets from your business, providing a safeguard if any legal issues arise related to tenants or the property.

@Jason Lopez You don’t need an LLC to rent out a house in San Antonio, TX, but it can provide liability protection by separating your personal assets from your rental property.

Look into a DSCR, Debt Service Coverage Ratio, loan where the rental income can be used to qualify the cash out refinance instead of your personal income.To Your Success! 

She is not in a position to lend a personal loan to me. 

My recommendation would be to engage an investment property focused realtor (not a general residential realtor) and let that person guide you through the process from pre-qualification to market/property valuation and selection. 

Hiring a lawyer sounds expensive, but it is way cheaper than hiring a amateur (in this case yourself) who costs you money and provides no results (and then you need to hire a professional anyway).My personal philosophy is to "do it right, or do it twice" and its way cheaper to do it right once.