I just wanna ask to be sure

i want to buy raid pass (1st time have 7 days free use) but if i understand on 4-5 day  that i dont need this pass and i will refuse  this pass , and wanted back my money) 

i will be banned or mb will have some sanctions ?  (just wanted to know for sure caz dont wanna have ban in fuse time)(and its 1st purchase)

answer pls