I think that faucet is a good way to get attention for a small-cap coin. Of cause, the faucet has to pay enough to compensate the time (usually some secounds).
There are some very good bitcoin faucets:
https://8bet.io/bitcoin-lottery/free-crypto-lotto# https://fairmillions.com/?f=YABTCLI am sure, there are at least equally profitable altcoin faucets as well I do not know.
And last but not least, it is not possible to invest less than 10 dollars per coin. Faucet solves that problem too.