Credit cards for people with bad credit / poor credit work like any other financial instrument. You can make transactions with them and you can also use them to build your credit from scratch. You have to be careful while using them and remember not to carry forward any balance on them. You have to be cautious and make sure that you do not end up incurring any interest on any of your transactions. Do not make any late payments, and do not let any of your payments go forgotten. How Do Credit Card Companies Verify Your Income? If you are thinking about applying for a credit card for bad credit or any other similar financial instrument, the company is going to first ask you to fill in an application form. According to the law there is no need to indicate any specific income that you might be earning but if you are able to state an amount, the credit card company / bank would be more confident that you can make your monthly payments on time. They will be more flexible towards you and hig...