DONT
Heres why in the bottom of the pan theres a little plastic stopper, hats so you can drain out your fines, all it takes is bumping that and it pops off and you lose all your gold out the bottom.
Just buy a small pan to start practicing with I like to use a cleanup pan A LOT I think its a 10" pan when your good with that go to a 14" if you want a REAL EASY pan to use get the Gold Rush Pro heres some video on that pan