Don’t get discouraged. You can buy a lot with $2400, it is that you just probably buy everything you need. It was the same as when everyone was buying $17K cameras, I bet the average cost of a finished system is more like 40-50K.
ON the steadicam I wasn’t trying to talk you out of it but to talk you into practicing, A LOT, which it sounds like it is your plan. While a bad steadicam operator can hurt a production big time, a great steadicam operator can give you the most bang for the buck.
There are more and more good options for accessories coming out all the time but tighter budgets mean more research.