Down payment can also come from a DPA program or a gift and you can ask for a "Seller contribution/Concession" to cover closing costs.401K in most cases can be used without penalty if used for a primary home if not take it out regardless and pay the tax if it allows you to buy a good deal. 

Hardpulls typically are good for only 120 days or less, and they will reflect on your report/score. 

Many of the good tax sale properties are getting bid up online. 

Have not reviewed Propstream but have heard good things.

Where can I get private money and someone interested in purchasing 1.5 acresto split the current 3+ acres and leave the1.5 acres with the rentals for the long term deal.

They will make some good money on selling it at a low price as they purchased for almost nothing and are just looking to dump it for some cash.    

Talking to a good non-QM lender is going to be your first step.

Good luck!

It's a higher end STR that attracts good clientele.

@Lisa FortuneIt can significantly grow your portfolio but like any debt there is good and bad debt.