I have a painter that uses oil based paint on the trim and kitchen cabinets. I know that the fumes can be toxic when wet, but is there any toxicity once the paint is dry? My family and I will not be in the house while it’s being painted. I

I recently purchased a used coffee table for a very good price. On one side near the bottom the color has worn off from people putting their feet on the table. I plan to use Formby’s Refinisher and would like to know if I can stain the entire table afterwards.