In any supermarket, look for canned fruit
with a kosher certification on the label.
Yes.
There are many places where one can go online to find out information about how fruit is canned. One can visit popular on the web sources such as Wegmans and Del Monte Foods to find information about how fruit is canned.
It would have to say "Kosher for Passover" on the can.
There is no non-kosher fruit.
Yes canned fruit is taxable in Florida
Yes, as fruits are kosher be default. Canned lychees require a valid kashrut certification.
Yes, however, depending of level of kashrut observance, some fruits are avoided due to the difficulty in making sure there are no bugs/contaminants in the fruit. One of the best known examples of such a fruit are raspberries.
No
Not all of them are kosher. It will say on the box.
Canned fruit needs to be handled differently than fresh fruit when it comes to baking. When baking with canned fruit, the moisture from the can usually needs to be drained out. Some baking recipes call for using the liquid in the can, but it’s unusual to find recipes that call for it.
Kelloggs fruit snacks
Fresh water chestnuts are fine. Canned water chestnuts require a kosher for Passover hechsher.