There are many posts on this forum every day. Please be patient when waiting for a response to your question. It is difficult for one person to keep up with all the questions. (Indeed!) It is difficult for several people to keep up with all the questions. You might not get an immediate response. You might have to wait a while. So please be patient.
In the above passage ... should it be "You might have to wait for a while" or "You might have to wait a while" is enough?