The phrase "same pot" means that a group of people are sharing or contributing money or resources together for a common purpose. It signifies that they are all in it together and their contributions are combined.
Sentences with «same pot»
Meanwhile, cook pasta in same pot of boiling salted water until tender but still firm to bite. (treehugger.com)
Add pasta to same pot of water and boil until just tender but still firm to bite. (epicurious.com)
Heat 3 tablespoons oil in same pot over medium heat. (epicurious.com)