If you have two charge TMs, the worst that will happen is you spend two charge tms and end up where you were. However, the difference between cc and dp is a relatively small optimization compared to changing a really bad move to one of two ok ones. Up 0 Down
If you have a ton of charge TMs, why not? But risk of getting HS is 50%. You might end up from 3 usable Machamps to 0 if all 3 ends up HS. Up 0 Down