Is anyone else having this problem?

I posted a few weeks back about the Kumatos that I bought. They were upside
down in a package. The bottoms looked fine but the tops showed them to be
rotten. I only bought those because oddly enough they were cheaper than the
other tomatoes.

Then I bought grape tomatoes at another store. Used half. Next day went to
use the other half and they had black mold spots on them.

Ordered cherry tomatoes to be delivered from PCC. Got tiny grape ones
instead. A substitute I guess. I had gone with the cherry they were cheaper
but they did not charge me more for what I got. Did not use them until the
next day. One was shriveled. But two days later, the rest are shriveled.

Why are the tomatoes rotting so quickly?