Today there are many different bounty projects. Time for projects is also different. According to you, how many time the most appropriate for a bounty project?
I think the faster the better, because that is one sign that the project is successful in getting support in a short time. Unfortunately for now the ico participants are much reduced and need a longer time to achieve the expected results. So maybe 2-3 months is currently the most chosen time for developers to promote their projects.