Naturally Repair Wood With Vinegar and Canola Oil. So, for a super cheap, use 3/4 cup of oil, add 1/4 cup vinegar. white or apple cider vinegar, mix it in a jar, then rub it into the wood. You don’t need to wipe it off; the wood just soaks it in.
For you folks who buy old furniture then paint it…..you really must try this stuff….only a couple of bucks for a 16 oz. can. You mix it (powder) with water to the consistency that you need for your repair. I made mine a little thicker, stuck a few brads, with heads on them, in to the leg (for grip), then molded the leg. I use it instead of wood putty for smaller jobs. It sands beautifully and lasts forever, as you only mix what you need for each job.
How to Refinish Furniture~ "Learn how to refinish furniture faster and easier by avoiding stripping. A seasoned pro tells you how to clean, repair and restore old worn finishes without messy chemical strippers."