I think you just wrote the golden rules of a great bounty hunter, but unfortunately, nearly 90 percent of all hunters cannot be patient at all and dumping their coins on exchanges directly after they get them. Stop doing this guys, lets support projects till the end.
Yes you are right in your statement. It is good to inspire others on what they are doing but it is now obvious that joining in such bounty will just get you to be scammed especially when you are just joining in bounty campaign and didn't make a research about it. If you want to be still a bounty hunter you must build your reputation in this forum.