I feel in real estate if one is truly involved in it these are two of the most important sites utilized.

Aside from the risk of taking on the property with tenants, you may also have to purchase site unseen which makes it tough to calculate repair costs. 

Another thing is, the sites that list the manufacture year showed that all the ones I was looking at were built in the 70s.

A good way to find deals is by connecting with local real estate agents, wholesalers, or checking out sites like Facebook groups and Craigslist.

I think one of the reasons BiggerPockets has lost some of its popularity is due to the concerns you've mentioned.Don't listen to any of the capitalist counter-arguments posed here, you are not wrong in the things you're saying. 

Search for this in a Michigan Public Notice legal newspaper or an online legal notice aggregator site like USALEGALNOTICES and the fount of MI pre FC/FC data will be available to you.

We had a few hiccups with the timing of contractors on site and it lead to a 4 to 6 week delay.

I'll keep you in mind for the work mentioned on your site.

There was a site I listed a house on to sell via bitcoin in 2014, no luck but I am sure there are other sites in 2017 or more than a few who would take bitcoin as trade. 

A lot of that is referral based or people find my site online, organically.