Just remember that the frame you make can take alot of storage space. Rope coils up small.
I use ice cream containers (the big ones when you buy ice cream at the ice cream counters) for my pails. I drilled a hole in the lid so the hose goes in tight. Rain water doesn't make it in. The downside is there is no handle. I have old dirty 5 gallon buckets that I tie the handle to the tree and drop the sap bucket in it. Haven't had one leak except where the knot on the rope let go and both buckets ended up on the ground. And murphy's dictated that it had to be on the day with the heaviest run of the year.