You typically only need to put down 5% on a 2-4 unit which in my opinion is a no brainer! 

My thoughts were:-Purchase at $220,000 with subject-to financing-Pay the $6k to get mortgage current, then take over the existing mortgage/payments-Give seller 2nd lien position and pay them $500/month (100% go to principle balance on 2nd lien)This essentially becomes a break-even (or small loss) situation on monthly cash flow, but I own the property with $0 money down and get the benefits of depreciation.

They may offer advice on how much typical rehabilitation expenses for various kinds of homes and improvements should be.Utilize Online Resources: A variety of remodeling cost estimates may be found on websites such as BiggerPockets, HomeAdvisor, and the National Repair Estimator.

Typically, these deals require some sort of down payments as well, not negotiable. 

You get access to 80% of your cash back to move to the next purchase.The other option is use a small portion of funds 15% to purchase any SFR or 2-4 units through an investment purchase typically Bank portfolio.

Hard money lender is typically higher interest for a shorter loan period, and are frequently used with fix and flips since it’s a quick project.

This is a very valid point, I supposed with my LTR’s I do post addresses, just typically gated by a trusted real estate agent to sort for valid options.  

Rent paragraph typically spells out the revenue share - that's another blog of its own but generally speaking it is a percentage of the gross collections identified in various equations of percentage of revenue or some percentage over a minimum base amount per machine per day.

Dealing with the Original Asking Price Amid Broker Involvement: When a broker becomes involved, and the deal's dynamics change, it's essential to maintain clear and direct communication with the seller.

Typically those are a google away, however, if you think you are starting to hone in on an interesting area, it's worth calling the CIty and County, as well as a couple of local well informed realtors, to make sure you didn't miss the governing laws in your research.