There are many reasons why it is better to stay in a Mestre apartment on the mainland when visiting Venice. It's at least 20% cheaper, you'll be in a modern, clean high rise apartment with underground secure parking garage, and it is far easier to get to your unit.
My American travelling companions had a knee jerk reaction of unhappiness to photos of typical rental Venetian apartments (old when Columbus set sail for America, musty, cramped, last remodelled during Protestant Reformation). Therefore we chose a unit in Mestre on the mainland 3.5 miles away and were very pleased.
The high speed electric trolley (ACTV) into Venice costs 1.50 Euro and stops right at the corner (Volturno). You need to buy a trolley ticket at the tobacco store directly across the street from apartment (look for sign with big "T") before boarding trolley.
There is a Cadoro supermarket directly behind the apartment complex which simplifies shopping for evening meals. Even the most basic meal in a Venetian restaurant will cost $70 per couple. That amount would easily cover food and drink for a day for a group of 4 if purchased at Cadoro supermarket and prepared in the apartment.
Another advantage of staying in Mestre that we didn't realize was the difficulty of reaching a Venice apartment. We saw tourists lugging their suitcases onto water taxi boats, then dragging these suitcases across cobblestone streets, through narrow back alleys, and across pedestrian bridges over the canals. Didn't look like they were enjoying themselves! We had added complication of an early morning flight out of Treviso airport.
We also wanted to see Florence so having a car was required. Parking on Venice would have cost $70/day, but was free in our convenient underground garage.
Construction was occurring in the particular apartment tower complex we were staying in during May. Lots of jackhammers, drilling and dust during the day. This may have contributed to the hot water heater going out twice during stay (error code 3).