me an my buddy are fixin to build an 80 gallon smoker with a 30 gallon fire box.....im geting a littel overwhelmed with all the fabrication thats takes place to make it happen...whats the most some one has spent????an im lookin at geting my steel from lowes or home depo???anyone have any ideas of where i could get my steel befor i go there an spend money that i dont need to????an last whats the longest its taken to build???