40 Selling ad space on a personal blog This is not a big money-earner to start with but could be if you work at it, reckons Birtles. "Set up your own blog (do it for free with blogger.com) and fill it with great writing, photos, videos and anything else you're passionate about," she advises. "Get ads automatically through Google Adsense and make a few pence every time someone clicks on an ad."