Sure it's a good idea. That's why this type of service already exists --
https://www.bankrate.com/finance/credit-cards/6-free-tools-t...
product already exist: great, that means its probably a good idea and works. good luck!
product doesn't exist: great, you will be first, so no competition, good luck!
How would the tool save you money? Can you explain it?
Sure it's a good idea. That's why this type of service already exists --
https://www.bankrate.com/finance/credit-cards/6-free-tools-t...