I am curious to see what steps do you have or requirements do you put in place to ensure you are securing the right tenant? 

SBA loans feature favorable terms, such as low down payments and longer repayment periods, and are partially guaranteed by the SBA, reducing the lender's risk.SBA 504 Loans: Another SBA program, the 504 loan program, provides financing for the purchase, construction, or renovation of owner-occupied commercial real estate or heavy equipment.

They tell us they have no way to transfer us to billing and they provide no other details.

'Need to find the first deal' - they are everywhere, are you wanting someone who has done all the work and effort to provide this first deal to/for you? 

I was wondering about securing a DSCR loan for the investment property.

So if you are happy with your returns, then price is reasonable.Given you provided no information about exact location, no one can say whether lease terms are favorable.  

Does anyone know which lenders would provide financing to cover the sellers equity?

I am the owner/operator of Humboldt Pro Tiling, a one man operation providing quality tile installtation services for homes and businesses.

Your question is impossibly vague as you provide no details.

For probably 90% of the people it does not provide anonymity, it doesn't protect you from liability, and it doesn't save you any taxes.