-It seems like she needs the money.
-If she doesn't get enough money, she will probably do "nude" since she's already done it before and is probably more comfortable to do it again.
-If most of her simps are well aware that she has done "nude" before, they'd probably be turned-off by the fact she's doing $500 for non-nude content.
- Although this set-up is very similar to how she was doing "nude" content before. So it is possible she's announcing it as non-nude to maintain her image.