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Log Items Immediately

The best habit you can build is logging items to Inventory the moment you acquire them — not days later when you’ve forgotten the exact cost. Why it matters: The cost you enter is used for every profit calculation. If you forget or estimate, your margins won’t be accurate.
Keep the Selly app open on your phone when you’re sourcing. Log the item before you even leave the store or close the browser tab.

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Keep Statuses Current

Your Inventory statuses drive your Storefront and your metrics. If a unit is sold but still marked as Listed, it’ll show on your Storefront and inflate your Inventory Value. Make it a habit to:
  • Mark units as Listed the same day they go live on a marketplace
  • Record the sale in Selly the same day it sells
  • Update statuses after each selling session

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Log Expenses Regularly

Most resellers only track what they paid for items, not their overhead. This makes profit look much better than it is. Log expenses at least once a month to keep your net profit accurate. Quick monthly checklist:
  • Marketplace fees from payout reports
  • Shipping supplies bought this month
  • Recurring subscriptions
  • Any one-off costs

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Use Descriptive Item Names

As your inventory grows, vague names get confusing fast. Use a consistent format: 
[Brand] [Model] [Colorway/Edition]
Examples:
  • Nike Dunk Low Panda
  • Jordan 1 Retro High OG Chicago
  • Supreme Box Logo Hoodie Black FW22
This makes searching, filtering, and reviewing your performance much easier.

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Review Performance Monthly

Set aside 15 minutes at the end of each month to review your Performance page:
  1. What was my revenue and net profit this month?
  2. Which items made me the most money?
  3. What’s my average margin?
  4. Am I improving vs. last month?
This is how you go from casually reselling to running a real business.

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Price Based on Margin, Not Just Comps

Looking at comparable sold prices is important, but always filter it through your actual cost: 
Min profitable price = Cost ÷ (1 − target margin)
If you paid 150andwanta30150 and want a 30% margin: `150 ÷ 0.70 = 214‘.Listat214`. List at 215+.

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Use Your Storefront as a Sales Tool

Your Storefront link is a 24/7 catalog. Share it proactively instead of waiting for buyers to ask what you have:
  • Post it when you have new stock
  • Include it in every DM to potential buyers
  • Add it to your bio on every platform you sell through