To qualify for Solo 401k you must have legitimate self-employment activity.

@Russell Brazil Actually I'm told that an appraisal can include closed sales, pending sales, or active listings. 

I use my IRA money to fund other people's RE project (short term projects) or other RE activities not having depreciation benefit.

Also an active rail road track 0.5 miles away (west of property. 

I plan on being very active away from the home 

I used to be an active GC and I wouldn’t partner with someone I didn’t know off the street.

Everyone has given great advise.I think a huge part of it comes down to the cliché of location, location, location.If your area has an active rental marked for single families, by all means go for it.

I know there's a lot about intent, and intent is hard to prove, but in general flips are indeed taxed with an extra 15% self-employment tax if it's considered actively generated income (you're running a small business).

We are coming down next week to look at some projects in Philadelphia from Monday to Wednesday but we will be driving by Cleveland after that.Or you yourself or do you know of any entrepreneurs, active developers, or people who do have extensive knowledge of the Cleveland real estate market for investing? 

Investing can be as active or passive as you want it to be.