Should i take him??

I told my bf at the begin of the year that he could go to Indiana Beach with me, that i would save $100 if he could save $32.50. Well we r going this coming friday!! HE DOESNT EVEN HAVE A BATHING SUIT!!!! no money OR ANYTHING!! I keep reminding him but when i do it ends up in a fight! i dont know what to do anymore! I wanna take him but obv he doesnt no the expensives! He also wants to go on a lot of extra things that cost $ like sky coast ($50 for both) haunted house ($7 for both) and stuff like that! plus eatting!! And if u ever been to an amusment park u no how expensive that is!! And yah i have over $100 but i also want some soviuerns!! Should i just go by myself? He needs a swim suit abd doesnt even have 1 yet! he also need $32 and doesnt even have a penny! Some please help! i dont think i can handle anymore! :(