Years ago, I bought a tote.  Then I realized that most Forest Service campgrounds we went to had no dump station, and the nearest such station was 10 miles or more away.  If we weren't in a USFS or state park campground, we had a full hookup site.
So, after a couple years of the thing laying under the work bench gathering dust, I sold it in a rummage sale for $15.  IIRC, I used it once, at home.
The bottom line is, before you fill the tank, make sure there is a place to empty it!
Edit:  In many USFS/State Park campgrounds, emptying a tote into the vault toilets is against the rules, and the Camp Host can evict you for doing so.