I removed wall paper, there's some residues left which I plan to sand and scrape more. There's some paper from the sheetrock that came off so I may spot with jc. Can I prime using drywall primer or do I need to use a latex paint primer or do I have to go to Zinsser's Gardz? I either go to Home Depot, Lowe's, or a local Benjamin Moore store that heavily discounts there products.