Even if they can sign up $500m, which is unlikely, the levels of...

Even if they can sign up $500m, which is unlikely, the levels of attrition and short term nature of the book means their costs associated with doing so and the respective bad debts always nullify the gains.... As you pointed out... recurring usage wouldn't be recommended, as clients that do this, would end up insolvent...so its a lose/lose scenario ... This product/loan type is a short term "fix" for those in dire need, nothing more.