From where the Ninjas bring money for all of that

They have a secret cave Nya has her own secret cave Jay has a gaint titan mech Nya has a gaint titan mech Lloyd has a titan mech They have a flying ship which should have caused millions for its thrusters They have a Butler After jay was left on his own without anything he built an iron man mech Let's not forget about how many mechs and vehicles nya and pixal have built In season 5 wu had to sell the tea shop to be able to build the vehicles for the ninjas But they are usually struggling...