I’m looking to invest but want to the numbers so it make sense for the seller as well. 

I agree with wanting the first one to be a "win", I'm just concerned that makes it harder to find something that will cash flow.

No one to refer, but when considering a blanket loan make sure to understand the how the loan would treat removing collateral from the pool.

Are legacy Homes priced lower or is it just the financing making them a good deal. 

You could also possibly partner with a relative who knows / trusts you to make up for any shortcomings you may have.After that, presuming you have good credit, you can go to a mortgage broker and they will evaluate your credit and financial "worthiness" against their requirements for their lenders to lend to you.  

It's always worth checking with specialized private money lenders or non-traditional financing options, as they might offer more flexibility.

I buy multi family and single family from wholesalers because its faster and I use hard money loan to fund my deals

Someone is making good money in every market.

The Nordstrom family is making a renewed effort to take their iconic department store chain private, marking their second attempt since 2017.

In our case the seller needed the loan off their record to purchase a new home so we went through the proper channels to make that happen.