Talk:Gameplay:Game Mechanics/@comment-112.201.217.24-20160714133110/@comment-25737724-20160714143705

You should only upgrade Merry Go, Thousand Sunny, and Coffin Boat at this point.

It's RND but some ships have higher rate of failure than others. Once you get a thousand Sunny, you'll never run Merry Go again. Dinghy is wasted Cola in any situation.