postTHE POSTFAST GUIDES
Buy wisely.
Sell with confidence.
Practical guides to prepare listings, estimate resale prices and track your margins with Postfast.
Your first minutes with Postfast
From your first photo to posting: learn how to use the app, step by step.
Read the guide → PricingHow to estimate a resale price
Compare completed sales and use the estimate as a starting point.
Read the guide → ProfitabilityCalculate your margin and ROI
Separate selling price, purchase cost and fees to understand what a sale earns.
Read the guide → PublishingPublish on eBay with Postfast
Connect your account and learn about direct publishing for sellers in France.
Read the guide → ResellingPlan your flea market purchases
Evaluate items before buying, then keep track of their cost when you resell them.
Read the guide → ClothingOrganise your Vinted listings
Prepare your text and photos, then post with assisted copy and paste.
Read the guide → ProfessionalsManage a reselling business
Keep purchases, listings and margins together in one tool.
Read the guide →