most sellers want pre approval letters.. there are HML that will just give them out willy nilly just for asking .. sharp sellers know who those are and wont put any weight into those pre approvals. 

At the under 10k range, negotiating typically goes upwards (think multiple offers) as land values do hold some weight.

To you, as an investor, the value may be relative to some variant of CF analysis, but not so to the marketplace, bank, appraiser, etc...With this in mind, an appraiser will weight the analysis 90% CMA, and 10% GRM.  

A good PM is worth their weight in gold.

I personally weight #4 above all since this will be my time wasted.

I doubt my name holds much weight with him but it wouldn't hurt to let him know I sent you. 

Takes a little digging to find out why someone is selling but a good agent worth their weight in gold if they find out why.

Certainly most folks are probably over weighted in stocks simply because their 401Ks at work and IRAs are geared, marketed to that asset class.  

Sorry but "handshakes" do not hold weight as they use to. 

If you have ever wanted to loose weight or do anything we live a society where people want to be rich, sexy and happy all the time with little to no work.