6 smartphone shopping app traps
Instant payment apps such as Google Wallet make your phone your wallet with just a tap. Belsky says this can be dangerous because we treat money differently depending on where it comes from. Using a credit card, phone pay or digital payment service tends to devalue the money in your mind and weakens your mental accounting and bargaining.
Ask yourself: If I had to go and get the cash, and then take it out of my pocket to pay for it, would it still be worth it?