yes just snip off what ever you dont need with a pair of clippers
You can trim a tree with no problem , but take too much and it will kill the tree.
As much as you like but why would you want to trim it. If it is getting too big it is in the wrong place.
yes it will fit
Yes. This is for the health of the tree as well as your home. Trees will continue to grow into your roofline, side of your home, your wiring,etc. The age of the tree is important too. Sometimes they have to be removed altogether.
You did nothing wrong, this happened to me too, you can only grow 1 money tree a day, The game was programmed this way
Yes.
It makes it shorter!! Now how old are youThat answer helps nobody.If you cut it too hard you may lose it but if you have not been too hard it will recover. Always remember if you prune a tree because it is outgrowing it's space it will grow back stronger.
Either to much water, or too little. If too much the plant may show signs of yellowing as well (particularly the basal leaves).
Yes, it's called trimming it but I wouldn't trim it with scissors, i would get shears specially for trimming it. Also, it depends on the plant. You may need to look up how to trim that specific kind of plant. If you said the type of plant it was, it would help.
auxin
No it's not too tall 7 foot and up is too tall.