I think this structure (5x10") is robust for towing. And good weight for stable and moving.
I drill 1.5" holes. They can drink from the holes. They actually don't need to drink from T elbow.
I will drill two holes on each sides. Then you don't even need to level the pipe. Too many holes might...
Usually, I put 10 gallon water in until next move (about 5 days). They did drink from the holes. If the ground is not level, use a piece of wood to change it. I think it will be good to drill the holes along each side except the middle one.
The idea is also using that water weight to stable the...
It has been several days with two storms. It looks very good. And very easy to move with tow straps.
End up, I think using the wire and fence as the door is not a bad idea. That save a lot of money on those expensive hardware and time. The whole structure is very stable and robust for moving...
Put a big bowl of clean water under the exhaust. The heat from the air will prevent the water frozen.
The picture was from my previous home.
My current home's exhaust is much higher. The setup is a little different, but I think it works too.
Our ducks and chickens drink that water everyday...
I use PVC pipe to direct the exhaust air from furnace or water heater to a big water bowl underneath.
The air will prevent the water frozen.
It works very well.