Work For It !
0.5 Bitcoin is absoulutely impossible with faucet, if you want to make 0.5 bitcoin monthly then you should work for it, if you have big capital i suggest you to build your own business that related with bitcoin, stop asking people what kind of job or project,coz you are the only one who knows about your tallent and your skill, if you good in programming you might earn that amount or even more since this job is one of the highest payment here, well goodluck to you.