The only real negative was the price we had to pay to go from the ship to Venice on the 5th & 6th of Sept while we were in port. In order to see as much of Venice that we could, we left the ship at 1 pm on the 5th,and since there was NO transportation provided by RCI UNTIL 4:35 pm, we had to pay for a private water taxi, 26 Euros. That was not fair. Also,taking the 1st shuttle in to Venice on the 6th,(PROVIDED BY RCI) was much too high, $20 PP. & that transportation was, in our opinion, way out of line.
One suggestion we would make is that on the days that the tenders are in service, it would behoove one to get up early and get the FIRST tender ticket in to the port thereby maximizing ones time in the port.
The biggest negative was the 1 to 1-1/2 hr queue to take the 3 minute cable car up & down. It was uncomfortable standing in the hot sun, and it impacted shopping time. So if you are in shape, walk the walk (25 min =/-) or stand in line early. The more ships in port the longer the lines. Of course you can always take the donkey ride up/down.!!!
If we had to do it again we would not take the tour. But, take the first tender in to give yourself more time.