All three of mine are ancient...Again, congratulations.

(Although this may be ancient history, what with HIPPAA).It's kind of odd. 

I'm no expert, but definitely familiar with the methodology for each.

Maybe not 30 days, perhaps on the MLS, "hey we are taking all offers and will review them but will not respond for XXX days or by a certain date"Has anyone done this or had any experience in methodologies of maximizing the offer price?

Less concerned about valuation methodology than how I can estimate my real estate tax bill.

Roofstock suggests 29 submarkets, based on input from their network of property managers.  A bit of a marketing piece, certainly, but value-added IMO, and not only are the submarkets worth having a look at, but also r...

I believe the best way "to attract good contractors" is was explained almost 3 thousand years ago by and ancient prophet:  "Do justly, Love mercy, Walk Humbly."   

Some ways to diversify in real estate of course can be by location, asset-type, methodology (syndication, joint-venture, sole-ownership), etc.Example :  If an investor invests into a syndication fund that invests into self-storage, mobile home parks and multifamily.

This "wisdom' was acquired by making mistakes, some of which were costly, and most of which were born of trusting the wrong people and just following what I thought were the best numbers.Again, I really like your methodology!

A good methodology to keep in mind is, let's say you get a response from 5% of the people your reach out to.