I tried (unsuccessfully) to use an escalation clause on several offers.

I have saved up and have enough to live on for a year without any added income and I have been successful in getting pre-approved by several hard money lenders. 

I have several people that are interested in the house, so I’m not necessarily desperate for a tenant.

Understand that even IF there's a court case, your insurer will take over and you need to stay out of the way.Did you know it's cheaper for an insurer to settle a personal injury lawsuit for $15k-$20k, then it is to fight it in court?

There weren't very many super close to the property within the last several months so I extended my search out a couple years and found several.

Go to the website for the town> then the Tax Assessor page> then look for a link to online property information databaseThere are several different companies providing this service in MA, so it is easiest to simply start with the town website and go from there. 

Commissions are negotiated and can be more or less depending on your office policy.Or, again with your managing broker's permission, tell the seller you know several investors that might be interested and get a listing... maybe a limited listing instead of a contract to buy it yourself... maybe as a transaction broker so you're just helping the buyer and seller consummate the sale (not representing either party as a fiduciary) and charge a commission instead of a wholesale fee.Just spit-balling ideas for you, but check with your managing broker to structure something that does work for all of you.

You'll find that there are several providers here on BP that can help you setup the Solo 401k.

There are several websites where you can look up data on cities and neighborhoods.

I have several in Ma and I live in Ma so I may do that.