Make money on bitcointalk without campaigns,signature campaigns are cakewalk so the earning potential is limited, but if you have some skills then you can use BitcoinTalk as any other freelance site by selling your services at the marketplace. The difference between freelancer and BT marketplace is, freelancer only have job postings based on high skills like programming, web designing, content writers etc, but on BT apart from all these sophisticated skills you can also find a large number of users looking for people who can send genuine traffic to their site, who can create unique faucet script, sign-up offers, captcha typing job, logo designing, escrow services, selling social media services  and may more. Skills are skills, no matter how sophisticated or simple it is and if you think you have something worth selling then do not wait for someone to ask you, just go to marketplace, create a post and you will get a quick response. BitcoinTalk have a goods section where you can sell anything under the sun, obviously only things you own. There is no rule regarding what you can sell, as far as the buyer is interested, you will get paid. From digital goods to t-shirts to comics to electronic cigarettes to collectibles. If you have a vintage collection of some stuffs then you might get a good amount of BTC for that.