.- Optimization of titles, meta descriptions, headings, and images.- Internal and external link structure creation of up to 30 city pages to increase visibility in a client’s market.- Fix content cannibalization issues and any technical errors.Correct me if I’m wrong, but I believe you offer a design template for $3,000+ where your clients still have to do all the work.

Include your phone and/or email in the text description of the listing?

In years past, I gave descriptions of expenses to my accountant and they figured it out for me. 

I would not invest if the good guys are losing ground, but that would run counter to your description that it is an appreciating area.It looks fine to invest in for the information you shared if the long term forecast for the area is safe and stable to improving.

When I tell realtors I am looking for at least 10% ROI they send me properties above price range or can't find any properties matching that description.

It seems low per your description.  

For example, they include property amenities in the description instead of assigning the correct boolean value.

However, if you do not hold a portfolio of LTRs, you do not need REPS anyway.This was a very generic description.

Make sure to have dates, descriptions, and amounts. 

You need better pictures.Make sure your description is accurate since you received a 3 star based on location description. $95 to be able to grill a hamburger?