Tomato Splits

Question

Am I overwatering because I water too much?

Answer 1

It is not so much that the tomatoes are being overwatered, but rather unevenly watered. When they get too dry and then get a large amount of rain, they will split. This article has more information:
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-cracking.htm