Yeah, if you want to focus your efforts on the hunting task, it's surely easier to not care about killing the renenage quara. But aren't you already doing this? You mentioned in the question that you send messages on the World Chat trying to attract people to kill the quara for you. So, basically, you hunt seacrest serpents till the quara spawn and you're done with it, i.e you can log out (or do anything else) and return the following day whatever the answer to #1 is.