I have tried faucet and they are such waste of time don't bother with this if you don't have some kind of bots..
Signatures are good, but you are on risk to become spammer..
Trading and gambling is very risky. Only what stay is doing something useful for coins..
It is not necessary that you will be called a spammer unless you know you are doing it.
Just do make something constructive like being on-topic, and you are fine.
Yeah its better to post less but post something constructive and meaningful post which can be helpful to other which can add value to the knowledge of the users.