Probably signature campaigns for the established members of this forum, The prices they offer in the services section are pretty good and reach 0,20-0,30 for high ranking members, the rate is lower in proportion to the lower status.
Yes if you are high ranked member and if you have joined some good campaign then you can make descent amount of bitcoins, and that is the easiest and safest way to grow your bitcoins especially for newbies.
Earning from signature campaign is a time consuming process though, you need to spend hours to earn few amount of bitcoins, I would suggest rather go for trading or gambling which can grow your bitcoins in a quick time.
That's true, if you want assured and fixed earnings then signature campaigns are the best to earn good amount of bitcoins, and yes trading and gambling involves risk, so if you can afford then you can go for it.
Im trader at local exchanger (vip.bitcoin.co.id), im signature campaign user , and i have real job too (Tax Acounting)
real job is my main job, trade and sign ampaign is side job.
if you can get all of them why not?
i make profit perweek arround 0.02-0.05, then i get from signature campaig arround 0.0-0.035..
if you have skill to trade in bitcoin, better to choose both of them, if you lose in trading You can cover it with the salaries of sign campaign
anyway TRADING ISNOT GAMBLING