WD-40 works
Explain "remover spray paint " - never heard of that !
Yes you can. Use the appropriate paint or it will chip off.
you dont
Rub it with a rag dipped in Goof Off. -It will NOT harm the car paint.
try paint thinner and an old cloth
put some bleach in a spray bottle and spray the area it will come right off.
Wash the bug spray off with hot water first.
It beads up and doesn't dry. It you touch it it will wipe off. It may leave a faint stain, but it won't show up strongly. If you put wax on spray paint then it will make it hard to remove the spray paint and it will also make the spray paint look glossier.
You can scratch it off but that's not the best way.
Wood is porous, it will have to be sanded.
To prevent spray paint from rubbing off metal, you can apply a clear sealant or primer over the painted surface. This will help protect the paint and make it more durable against rubbing and wear.
Yes, you can spray paint over existing spray paint as long as the surface is clean and properly prepared.