For example, Harbor Freight boasts quite a robust selection of drill and driver bits ... If it needs small or average holes, 1/4-inch or 1/2-inch bits are perfect, but if you need bigger ones ...

and one such drill is the Bauer 20V cordless 1/2-inch drill/driver kit from Harbor Freight for only $59.99. The kit has scored a 4.7 out of five on their website and includes a battery ...