You have to remove the finish from a previously finished piece of wood before you can restain it, and you can do this either by sanding or stripping it with chemicals. After stripping, enough of the old finish may remain in the wood grain to eliminate the need for resealing, but because...
I’m always stuck painting cabinets with a paint brush. I really don’t mind it (except that it takes a lot longer than a sprayer), and over the years, I’ve actually learned how to get a near-sprayed-on, almost-brush-stroke-free finish using a paint brush. ...
You don't have to be a woodworker to know good woodwork. Quality furniture feels sturdy -- it can handle weight, it doesn't wobble, and the joints are all sung. If they're not, prepare to sell your furniture for significantly less than when you bought it. But if the furniture feels...