Product Image Background Removal

I have a small batch—no more than ten PNG product shots—that need the background removed cleanly and precisely. The goal is a crisp, transparent backdrop so the items can drop straight into my ecommerce templates without any fringing or color cast... (Budget: $10 - $30 USD, Jobs: Affinity Photo, Background Removal, Digital Art, Graphic Design, Image Processing, Photo Editing, Photoshop, Photoshop Design)