>I seriously consider to carefully select to whom I provide help in the future.
>
>I see more and more cases where people ask the same question here and on other FoxPro forums, but never give any feedback whether my answer was helpful or not. And they never say thank you as if they take free help for granted.
>
>I want to help people, I really do, but when people are too arrogant, cheap or lazy to say thank you, I feel taken advantage of, and now enough is enough. I am tempted to publicize a list of whom I have in mind, but I will refrain from doing so. However, I may answer some of these people with a reference to this message in the future, to let them know how I feel.

It is a common thing, strange that you noticed it only now and raise as an issue. Given the low number of Visual FoxPro questions at all, I don't think it's important to wait for recognition.