New unit: 4-unit multi family in which 3 units (with existing tenants that will carry over from seller) will remain investment; I will move into (currently empty) 4th unit AND USE as primary residence with primary mortgage.

Is this home in the beach a new construction or an existing home?  

So, if you put in 20K, you could set the bid up to the amount of the 100K total debt(80K existing + 20K additional) to ensure that the property reverts to you as the lender.

I have to decide if im going to use a new injection of capital from the sale of my primary residence to:1) Hold in treasury bills at 4.5 percent until I find another property to purchase2) Pay off one of two existing mortgages, one at 3.75 percent and another at 4.5 percent3) Just find something to buy that beats either of those percentages on paper and be done with it4) Possibly loan out some hard money/broker it to a friend to allocateIts never an easy decision, but its a good problem to have.

The catch 22 of being accused of brokering without a license vs. being accused of taking a net listing as an agent still exists.

It is something only you have access to unless your subscription is automatically canceled due to a payment issue.We also have never increased prices for our existing subscribers as long as their subscription is active.

Upgrade to a commercial-style stackable setup that can dry faster (30–45 minutes), hopefully fitting in our existing laundry closet without extra electrical work.Any recommendations or specific brand/model suggestions for handling this high-volume, semi-commercial laundry?

If the agent is their own broker and a sole practitioner then you need someone else to decipher the agency relationships that may or may not exist.

I don't plan on adding anymore and just putting my capital into my existing STR's. 

Those conditions don't exist any more, and the government has the right to regulate land use to try to prevent the current conditions from repeating.