victoria falls

My wife and I fly to Victoria Falls from CAP for 4 days in late April and we would very much appreciate some practical information: 1) should we get a taxi at the airport or pre-book ? 2) hints about local tours (book in advance or when we get there?) 3) hints about day tours to Chobe NP

Hi. I'll try to keep control of the length of my inquiry and rambling, but this isn't in my nature. This will be our biggest trip yet as we continue to expand our comfort zone. We are a married couple in our 50's. We enjoy the outdoors, hiking and animals. Very active but don't do...