I bought some videos but i don’t want to continue buying how can i stop paying?

Hello Renata Rehfeld Martins de Oliveira,
I would contact IDEA who will be happy to help you:

IDEA Health & Fitness Association
10455 Pacific Center Court
San Diego, CA 92121
Phone: (858) 535-8979, ext. 7
Toll-free: (800) 999-4332, ext. 7
Fax: (858) 535-8234

Take care,
Natalie aka NAPS 2 B Fit.