I have never thought that insurance is a way of saving money. 
You can also try:
1) make FDs
2)avoid unnecessary shopping
3)Avoid use of credit cards
use of credit cards is probably the best and easiest ways to save money. in addition we can also carry it with ease. if bitcoin has issued a credit card in the world, it may be very much use You can also try:
1) make FDs
2)avoid unnecessary shopping
3)Avoid use of credit cards
Not in all cases. Because you have credit card you won't feel much that you are spending money even you will swipe an expensive good. Because you don't feel it you will just use it regularly. So no, use of credit cards is not a way to save your money.