My options are:Sell: Maximize down payment in NC, reduce debt.HELOC+Rent: Keep NJ property as an investment, rent for potential $3,300/month.I'm interested in long-term wealth building.

who is your target buyer?

However, I do have a steady income that allows me to save about $1.5k per month for investments.I'm torn because this property seems like a golden opportunity, especially considering it's the only offer in the area, and the potential profit looks promising.

You might also meet someone that could be a potential business partner.

To obtain an “outsize” return on originating notes the note holder needs to assume a larger than normal risk, or find a “niche” not currently being serviced, the note BUYER needs to negotiate a purchase at a larger than market discount.  

Buyer's agent suggested "Cash to move out" but I'm not exactly sure how that matters if the tenant is HUD and needs a new HUD apt. 

I think short-term rentals are a great place to leverage technology to set yourself apart from your competition.Convenience for guests: Smart locks provide keyless access, eliminating the need for physical keys and potential lockouts.

I review all potential charges with my owners, and we only collect the commission percentage on late fees.

They also have a 90-day litigation period where the former owner can contest the tax deed sale and take you to court.If I bought a property (or land) and want to re-sell it within a few weeks, what forms/documents do I need to give to the new buyer?

Find a property and hopefully purchase for a good price in cash (or a similar result, hard-monty option), perform the required repairs for your mother and potentially get the second rental unit ready.