Front-loaded rent payments?

[Patrick Rose]

I have an applicant with bad credit, but high income (and under contract). He is willing to be flexible with a lease structure. I would appreciate any feedback on the idea of setting up an 18-month lease with the first 6 months @150% rent, next 6 months 100%, and final 6 months 50% rent.

I'm just looking for creative ways to protect my side of it. Have any of you done a lease similar to this? Is this legal?

Thanks for helping me through this...