Yes
If you paint over the "weathered" paint, it will chip and cause the stain to come off. Also, the stain needs a clean sanded surface in order for the wood to absorb it. Otherwise, there is no reason to use stain.
Yes, in fact it is even more important to mix stain, than paint as the pigment tends to settle out easier with stain.
If the paint dries it will, but if it is NOT dry you can remove it with hot water
Yes you can.
Yes
Turpentine is sometimes used to get paint out of clothes. It is often dabbed on the stain with a sponge or towel, and then allowed to dry.
Use tide stain remover, if that doesn't work, well sorry!
Yes, there is a company called Agoo that makes childrens clothing that are both stain and UV resistant. You can browse and purchase their products at http://www.agoo4u.com/default.asp.
Puffy paint is designed to decorate fabric, so it is hard to get it out of fabrics. If you get it on your clothes while crafting, immediately wipe it off with a clean, dry paper towel, and then rinse it until the paint is gone. Once the paint is dried you may not be able to get the stain out, start by peeling off the puffy-part, then pretreat the stain and wash.
Yes cherries can stain your clothes
Lotions stain your clothes.
Paint stays on the surface and stain soaks into the the surface.
If you paint over the "weathered" paint, it will chip and cause the stain to come off. Also, the stain needs a clean sanded surface in order for the wood to absorb it. Otherwise, there is no reason to use stain.
Scoop excess up, then blot with vinegar soaked white clothes until stain is gone. Allow to dry and then vacuum.
Yes, in fact it is even more important to mix stain, than paint as the pigment tends to settle out easier with stain.
You will need to paint the stain with a pickling gel. It is very rough, but it will get the stain off.