Did your buyer simply pay you cash or did they need to qualify and get a loan and did you know if it would be Conventional, FHA, VA, Jumbo or USDA?

Conventional loan.

You’ll likely qualify for better interest rates and lower down payments with a conventional loan in your personal name.

You won't be able to use conventional financing and must use a non-recourse loan which typically require 40% down.

They are almost the same as conventional.

My lender said it would be best to go with DSCR instead of conventional loan.

They're not like big conventional banks after all (correct me if I'm mistaken).I found one that does a soft pull so I'm thinking there's nothing to lose. 

You can find interest rates similar to where conventional investment loans are.

The other option could be doing a fix and flip loan, if they have reserve money and then refinance into a DSCR loan, they could be into it for less money than a conventional investment loan or DSCR from the begining. 

There is a home in Tampa I went UC with a wholesaler and told him I was closing it conventionally which they were fine with.Long story short the home is a triplex and zoned as a SFH so the lender will not lend on the property forcing me not to close and the wholesaler took my EM.