By Craig Coe
| Factor | What Buyers Assess | Effect on Resale Value |
| Brand | Reputation and desirability | High |
| Model | Current popularity and demand | High |
| Condition | Wear, marks, damage and overall presentation | High |
| Authenticity | Construction, branding and supporting evidence | Essential |
| Accessories | Box, dust bag, receipt, straps and cards | Moderate |
| Rarity | Limited or discontinued availability | Potentially high |
| Material | Leather, exotic material or other finish | Can be significant |
| Selling route | Direct buyer, retailer, consignment or private sale | Can affect final return |
| Offer terms | Fees, deductions and payment conditions | Important |