But I’d be willing to bet it won’t hold the record for long.Local multiple listing services and individual real estate firms have listed and sold properties online for decades.

I have house hacked in various fashion multiple times over the years.

I have talked with multiple seasoned wholesalers and they all think the price is too high.

Since you are looking for a blanket loan for multiple properties, there won't be a fannie mae restriction and it will be up to your local bank (or whatever lender you use) to determine timing on when they will lend, and how much they'll lend.

Or is it possible that something that looks like multiple layers isn't actually multiple roofs?

Many Landlords get military contracts for their multiple holdings. 

Agreed, multiple times investor/agent no issues

I love seeing subjects such as this one from multiple angles.

Being approved for multiple mortgages?  

Or did you mean a multiple of .004 (which would be .4% or 400 responses)?