I would recommend doing it outside as it stinks and the rust from the steel wool will stain concrete so do it in a shop or over the road. DIY Vintage Wood Stain look. (How to age new wood). Good for all things wood!
A fun Fall decor sign for your front porch and a tutorial on how to paint lettering so you don't have to buy a stencil when creating signs! Diy this sign and more, there is a link to how to use Word to create endless designs when painting lettering.