The next step in our refinishing process is often primer.
Primer is important for stain blocking, for smell (ew) blocking and to use less paint. If I use a primer it’s serious, dude.
I go for an oil-based stain-blocking primer. A lot of people have a favorite, and this is mine:
The only recommendation for a first-timer would be to use a mineral spirits to clean out all the brushes and rollers. Or just buy something cheap and disposable. And wear gloves. Not that, like, I’ve ever spent a week with ghostly white hands, or anything.