I’ll agree with many posts above…. We all bribe once in a while…. How many of us bribed this yk more than they usually do….. it’s totally fine if it doesn’t become a habit.
Make sure he can obey without reward too. About cleaning up…. Does “You can’t take out another toy until this this toy is put away” work?
And I just paid my almost 6 year old 20 shekel to help with the 1.5 year old today . They've been begging for paper money for ages and I wanted to make sure they wouldn't drive dh crazy while he was trying to work.