The only exception is if a tenant fails to provide a written forwarding address: landlords then need not return security deposits or provide a notice of damages until fifteen (15) days after receipt of a forwarding address in writing.Option 2 is to just send it to the last known address and for to ask the post office to please forward it to the correct address.If you ultimately cannot mail the payment or they do not cash the check, you will need to eventually send the money to unclaimed property:"Unclaimed property is held by the Treasurer until the rightful owner comes forward to claim it.

I need some advice on which choice makes the most sense starting off?

My ultimate goal is to buy and hold at least 10 properties (as of now).

Not enough information for anyone to determine what to do as this would be based on your financial situation, income, and personal choices along with not knowing anything about what you would build, what it is worth etc. 

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.

And yes, there were problems but mostly on the buyers side for the relinquished property that was ultimately handled by my agent.

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.

The bipartisan Corporate Transparency Act, enacted in 2021 to curb illicit finance, requires many companies doing business in the United States to report information about the individuals who ultimately own or control them.

So, you are left with the choice to proceed as is, negotiate a lower cost, get a concession, or walk away.I would get a quote and request a concession if they aren't interested in fixing it. 

However, I've personally stopped taking Section 8 tenants because they ultimately resulted in lower rent income, a higher rate of lease violations and problems, and increased costs at turnover.It also depends on your market.