It's indeed very hard to get an beautiful amount with faucets.
But it's a good start and pleasent to seen them enter in your wallet from time to time.
Best is to have some referrals, but that's not easy.

scammed by ponzi or other investment ?

I ever got scammed by golden-cow about BTC0.05

From that day , I never trust any investment ever.  

Better to gamble it  

That you can't see is your problem and your limitation. People who understand the technology actually know that Bitcoin protocol is somewhat inefficient emulation of a global broadcast medium using peer-to-peer gossip protocol. Immense amount of bandwidth and energy could be saved by the technically more advanced use of the well known broadcasting and multicasting media.

You left it, because it's a gambling site?

They added the multiplyer option to give people a opportunity to enjoy the site for a little longer period. On most other faucets, people visit the site, use the faucet and leave.

You have to remember that a site like this, generate it's income from the amount of adverticements displayed and the amount of site traffic it receives.

So the longer time people spend on the site, and the more exposure a company can get to a user of the site, the more they will want to advertize there.

That would increase the advertizement income and the amount that the faucet owner can pay towards it's users. {You}

So support these companies and they will stay, and you would get more FREE coins.

If you invest 10 bitcoins now you will be counted from millionairies in 2035

my wallet is not sycing, is find alive