correct the best and safe way to grow your bitcoin is by joining some good and genuine signature campaign which pays you good amount of bitcoin it will take time to grow your bitcoins by joining a signature campaign but you surely earn bitcoin as it is safe and the best way to earn bitcoins.
You cannot grow your Bitcoin by joining sig campaings. At best, you can add a bit of dust at the top of your pile. If you have a pile.
I guess the $20 each week one might get for a signature campaign are big money to a big part of worlds population. They probably could live from it or have half a monthly work salary with that.
If you have better ways to make money then be lucky.
Yes if you are into gambling it is not sure that you will win everytime so it is better to join some signature campaign and start earning bitcoins gambling is an art and as it is said that fortune favors the brave so if you want to get into gambling you need to brave by heart and by mind.
Although tipster can be wrong too so you can just do gambling to groww your bitcoin, at least you must need some certain work that can earn you more than gambling. Anyway gambling is a lucky thing to do so my suggestion is if you have some spare you can do it for fun not using gambling to grow your bitcoin. I think that will not work