What kind of dirt do you have? We have clay, which holds water, that can impact your timeline and costs if the PB has to drop something in there and pump out the water then wait for it to be dry enough to dig again.
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About page 3 of this thread, someone mentioned that with all the items that are bubbling or splashing your PH will likely have to be managed carefully. Please do make a note of that. We have experienced it with far fewer water features than this pool has planned. Once you've filled, we can help more with it, if you wish. It will likely be info overload right now.
Good luck, hope everything dries out!