1 Pumped up so hard, you have to break/ bend something to get the door closed.
2 Not pumped up hard enough. Door will not stay up. ( Even considered feeding the dang thing a small blou pilletjie. Sorry, I am digressing

I figured, there just HAVE to bee a better way. Something that wil not cost an arm and a leg. AND the damned door must stay open, or closed. This is what I cooked up. IT WORKS. The hell with the looks. It`s practical.