Wait until you got a legendary rank and earning .1btc is possible for you.
all it took time, yeah if you have a high rank that I think the rate will be high for a sign campaign and you can make services such as escrow and such it will be an additional income. because the legendary rank usually trusted
Not all of them, smart people will look more on your contribution than your rank, rank does not mean anything because it's only the system that will detect based on the rules of rank ups. I see some Sr. or Hero Member who are very trusted by fellow members because they have contributed really well in the forum, it's okay to earn from your account as long as you will not sacrifice your posts quality and you remain helpful in the community.
Sometimes there are campaigns for twitter accounts as well.
If you combine that with a signature campaign and do a little trading (with experience) then I see no reason why 0.1 btc should not be possible every week.
And with time comes routine, your post quality will increase and the time you need to write will decrease.