You must be kidding, there's nothing really free today, most especially when the most powerful coin is involved, I'd advice to pick up your self, if you have service to offer, do that and charge your services fee to be paid in Bitcoin, as long as I Rember this is the only way that seems to look like you're earning BTC free, if you trying all of those crazy site offering and advertising nonesense, you might end up being scammed or in the hands of the Ponzi scheme, so you've just got to be careful.

Another way to earn is by stepping in, beyound the shore of your comfort zone, Invest in Bitcoin, give it time, and be patience the end is always great, remember like the previous comment, put your efforts towards learning and be be self skills this will help you greatly well