If you are going to get a conventional loan or a fannie mae freddie mac loan or an fha loan you're gonna need to have that asset in your name because then they're looking at that home being a personal loan and so the banks are gonna require you to borrow personally.

Rates are still pretty low conventional, so you'd be leaving some gains on the table if you go hard money/seller financing. 

We go in at 530K best offer I’m going to do taking into account down payment, conventional Loan, payment, etc.

When you hit the limit of what FHA will allow then you switch to conventional at 5% down. 

Then shift to conventional primary residence loans at 5%, moving into each one and renting out the previous one. 

Conventional loans (Fannie Mae, Freddie Mac) put the brakes on doing a lot of loans for rental properties.

I assume the broker quoted you with conventional lenders?

Austin/Georgetown TX area - 11 buildings / 34 doors (a mix of 4-plexes and duplexes), 10 of which have conventional mortgages and 1 is paid off.  

Most Conventional loans require a 6-month wait period though from the date you purchased to be able to do a cash out refinance.

They are not standardized programs such as Conventional, but it can be done.