You are doing the right thing, saving little by little in Bitcoin. Doing that with fiat is pointless as your money is only losing value continuously.

Tips? I think you need to learn about hardware wallets. Learn to self-custody what you have. I haven't heard about Stockpile but I doubt it is an open source non-custodial wallet. Also, don't be surprised and lose interest once the market goes through a severe winter. It has discouraged a lot. It has pushed many to panic sell, with a big loss. Learn to develop a diamond hand. It pays off in the end.