Looked around the site, I only see lenders, property managers, agents, brokers, etc. but not developers?

The Detailed Engineering Cost Estimate Approach is typically used for the purchase of used property.SURVEY OR LETTER APPROACHOnce a site inspection has been completed and all components of a property have been determined, your specialist will send a survey or letter to the contractors or subcontractors to request they provide the cost of each of the items.

Hated it so much, that they gave me variances that nobody had gotten in 20yrs in the area to knock it down and redevelop the site.

And those who purchase the timber rights then come in, at there own expense, with there own equipment, there own operations, harvest, site mill, do whatever reclamation and then leave. 

No, DIY is not the same as a virtual site visit or a study done by engineers @Dana YobstAs @V.G Jason said, you could very likely cost yourself more in time and money.

With Google, Yelp, Facebook reviews as well as what is on their site and what type of content they are posting on their social media pages....

I see no value in it for evaluation.Realestate.com has always been a good site for accessing properties, but they do a poor job of evaluation. 

Quote from @Felicia Smith: Love this site!

But I like stocks more than the average bear on this site, especially the tech monopolies which I expect to return 15-20% (so outperform real estate in current market conditions).

By the way, the cutoff date is June 1 of each year for these changes.City & County Tax BillsMost Michigan properties receive TWO annual tax bills - one from the city and one from the county.