They did the work and brought something to my attention.

Regarding your points 1 & 2: Some deals require less work and some require more but it's much more complicated than this.

It absolutely DOES work and this can be proven mathematically.

Ensure vendors feel fairly compensated for their expertise.3.Feedback and Recognition: Provide constructive feedback on their work and recognize exceptional performance.

I’ve mentioned it to people at work and some friends who are moving to the city, but my place is either too far for them, or they prefer their own space.

We buy mostly almost move-in ready, less work and a larger basis for cost-seg.

It takes work and time to build your database and get deals but that's for any business.

Many trials and tribulations are now behind you, and you deserve all that is now coming your way for your hard work and perseverance. 

if yes then you got the answer, an appraiser will never come in with the proper value of A turnkey, because they rely on local comps even though those comps need much work and the principal is already done and cash flowing.2- These turnkey sellers usually purchase there properties for far below market value, if this is the case the appraiser might appraise for A lower amount due to the previous sale on the property.I don't know what turnkey seller specifically you are talking about of, but if their customers are happy then you got your answer, if their customers claim they were ripped of then you got the answer as well.

He is solid, I was hesitant too at first, but the value is absolutely there, just have to put in the work and stay consistent with it.