Best way to get free bitcoin if you don't have starting capital is bitcointalk signature campaigns. You must be patient if you step from newbie. When you have a decent amount, give loans or invest it.
you can try also the basic way, faucets and typing captchas job, it gives me profit everyday when i'm newbie by sharing my referral link to my friends and in social media.
but it is too stressfull so i decided to go on trading and until it is the best