I had an old workbench (pic shown) and reused the 2 by 4s, 2 by 6s (that were supports under the work surface) and the 3/4 inch ply to make a 3 drawer cabinet.
The bases of the drawers were made from the top of the work bench which took some hefty sanding but I actually put the underside of the worktop as the upfacing side for the drawers as that was cleaner even though has some nail holes in places.
The drawer sides and fronts were made from some left over 1 by 4, 1 by 6 and 1 by 8 from my recent work station build.
All I had to buy was the drawer slides and pulls.
Finished in Varathane Carrington and 3 coats of Varathane Matte Poly. The drawers were finished in Minwax Special Walnut.