Many ways to save money.. just choose what is the best saving for safety choose banks. for wise decision choose bitcoin to save your money and wait for the price to increase and sell it if you are satisfied to the price..
I guess you're right, so many ways to save money, kaa can use the bank, payment processor, and wallet. all have their merits, but if you keep it in a long time, I strongly recommend to save the money you have in the form of bitcoin, because the longer you keep it, the price will be higher