So how does this work

I'm thinking abt spending 400ish on ali express and 300ish or more are gonna be all for knifes is this an ok decision like i don't know if you guys have real knifes along with your fakes or if this at all is even a smart choice the ones I selected multiple for are for reselling and stuff. (I'm a minor so no need to worry abt rent and bills for now) also here's my "collection" so far