Hard copy proofs used to be standard for all print jobs. These days, they are usually only standard for larger jobs like book runs, or where fancy colours and finishes are being used and need to be carefully checked before the full print run. For jobs like this, a hard copy proof is relatively small cost and well worth it. For runs of business cards and flyers and brochures, a hard copy proof generally costs more than people want to pay, and slows the process down by a couple of days.
If you would like a hard copy proof, please specify what the main purpose of the proof is. Is it primarily for proof reading and layout purposes? Or is it for specific colour matching purposes? We need to know this to ensure that the right kind of document is produced for your needs.