I spent four years working in the payday loan industry, at various levels. My experience is with one specific company.
The premise of “payday loans” is that you have an expense - say new tires - and because you live paycheck to paycheck, you don’t have the extra funds to pay for them right then. You also don’t have a credit card OR the credit rating that would let you get one (this could be no credit history at all, or a very poor credit history).
There’s this place that lets you get a certain amount of money (this varies from state to state and from company to company. For example, the one I worked for maxed out at $200 in Tennessee and $300 in Louisiana). You have to have those tires to get to work, so you head in there to cash a check, and then that check won’t be deposited until you actually get paid (generally maxed at 2 weeks - and if you get paid weekly, it can often be held 2 paydays). Better yet, they don’t check your credit, so you’re almost certain to be approved.
So you get the money and your tires. Then your payday rolls around and it’s supposed to be paid off. Only, you live from check to check, and the money’s not there to pay it off. So, maybe you can just pay the fee/interest and “roll it over” until your next payday. Or maybe you pay it off and get another one right away. Or you might pay it off in full, but end up back there before you get paid again because paying it off put you behind again.
I see two sides to this issue: some people use it in a somewhat intelligent manner - they get a single short term loan, pay it off and never step foot back in the place again. Others get taken advantage of, because they are chronically short of funds, they keep rolling it over and over, paying the fee until that $300 is just another debt. Eventually they can’t pay it, the check is sent to the bank and bounces, and they either find some way to pay it or they don’t.
Justifying the fees:
Well, this company isn’t doing it out of the kindness of their heart - they do want to make something from it. So they charge what’s called a “fee” in some states, “interest” in others - this depends on what state requirements are. The amount varies, but for a two week loan, the APR generally works out to about 365%, depending on how much the fee is. Why so much? Well, partly it’s about how you advertise: Payday Loans! $300 to get you to your next payday, only $45. Or: Avoid overdraft fees! Cash a check today, we’ll hold it until your next payday and you won’t get charged $28/check by the bank - and that $45 is a bargain if you’ve got 4 checks about to bounce at OD fees of almost $30 each.
Also, this is a high risk industry. You can assume X percentage will file bankruptcy, Y will ‘go bad’ and be charged off, Z might pay but slowly…and so on. Branch staff does collections (phone and knocking on people’s doors) on a daily basis just to try to keep the delinquent numbers to an acceptable amount: IIRC, when I was in a branch, it had to be in the single digits, but bonuses were paid when you closed a week under 4%. Not many branches made bonuses regularly. Besides, people would pay the fees, and the company was trying to make as much money as they could from the service: I’m sure there was some research into fee amounts to find out how much people would willingly pay.
I hope I answered your question, but if not, I’ll provide as much information as I can - I haven’t worked for them since 2000, so regulations have likely changed, but the basic ideas are the same.