Below are the variables with sample inputs. 

You can check out yellowletters.com for some sample letters and then modify them as you like in order to fit your situation.

Send me a sample of what you are trying to convert and what results you are looking for.I have yet to dive into marketing in MF and am interested in hearing how things go. 

@Michael Nijhawan you can order and sample pack ..

Yellowletters.com will send you a real nice sample packet with a bunch of different mail pieces they offer.

And you may want to up you sample size by 100x or so, in order to get more & better leads. 

I am going to try to hire it out because I realized how time consuming it is to do myself and with 2 kids under 4 yrs old.This is what my first set of yl look like, now that I'm looking at other yl samples I'm starting to think that mine is too simple.Hi (first name) My name is Shirley.

Quarles has probably 200x the data I do (as well as sample size), but it has been that way for me.

We would cultivate retail stores and manufacturers to determine their needs--usually with samples--and then do repeat business with them. 

Is that a researched statistic where they took a random sample of various participants in various guru programs and then then they defined what being successful meant (such as earned more than the cost of the program in profits over a 2-year period of time) then they followed up with them over the 2 years and then had their research study peer reviewed for accuracy and then published.