You get better protection if you use your credit card. The key difference is that when you claim on a credit card under Section 75 of the Consumer Credit Act, the credit card company is legally liable.
A pet rat can live between 2-4 years maybe longer it just depends on how well you look after it.
Quick Answer. A house mouse that is a pet has an average life span of about two years. There have been mutant and calorie-restricted mice in captivity that have lived for up to five years.