Bettina's place is a good choice for seeing Venice at an affordable price. It is located a few minutes walk from a bus stop where you can take a bus for easy access to Venice. It is also close to supermarkets and the Mestre train station is about a 20 minute walk.
The WiFi is good and the kitchen and dining area allow you to eat and relax at home.
Bettina is very helpful and provides suggestions for seeing Venice.