Keep your TCG singles buylist priced to the live market
Every morning, WebRun opens Nerdslice, reads your TCG singles inventory with its live market pricing, recalculates each card's buy and sell number against your margin rules, logs the day's movements to Google Sheets, and drafts a public buylist update in Discord for your approval.
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How do I automatically keep my TCG singles buylist priced to the market?
Every morning, WebRun opens Nerdslice, reads your TCG singles inventory with its live market pricing, and recomputes each card's buy and sell number against your margin rules. It logs the day's movements to Google Sheets and drafts a public buylist update in Discord for your approval, so your prices track the market without ever posting unreviewed.
- Buy and sell prices reflect the market every morning, not last week
- Biggest card movers surface at the top of the sheet automatically
- No public buy offer is posted without a human approving the numbers
Built for game store owners · TCG buyers · card shop pricing managers · hobby retailers
What does WebRun do on every run?
The exact actions WebRun takes, in order - in plain language, so you can adjust anything.
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WebRun signs in and gets to work
Opens
nerdslice.comin a real browser with your saved login - no setup, no API keys. -
1
Nerdslice - read singles inventory and market prices
nerdslice.com How to Automate Nerdslice
WebRun opens Nerdslice to read singles inventory and market prices. - Open Nerdslice and pull the TCG singles inventory with each card's current market price and grade
- For each card, read the on-hand quantity, last sold price, and the live market benchmark
- Apply your buy percentage and sell margin rules to compute a fresh buy and sell number
- Flag cards whose market moved more than your alert threshold since yesterday
Done when Every stocked single has a refreshed buy and sell price and a movement flag.
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2
Google Sheets - log the day's price movements
google.com How to Automate Google Sheets
WebRun opens Google Sheets to log the day's price movements. - Open the Singles Buylist sheet and record today's buy and sell number per card
- Write the percent change versus yesterday so trends are visible per card and per set
- Sort the biggest movers to the top so pricing decisions are easy to eyeball
- Keep a rolling history tab so you can see how a card has trended over the week
Done when The sheet holds today's prices, the movement versus yesterday, and a rolling history.
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3
Discord - draft the public buylist update
discord.com
WebRun opens Discord to draft the public buylist update. - Draft a public buylist update for your community Discord with the cards you most want to buy
- List each card's grade and your buy number, grouped by set for easy scanning
- Leave the post as a draft for your approval. Never publish to the public channel automatically
- You review the buy numbers and post it yourself once it looks right
Done when A public buylist post is drafted and waiting for your approval, not yet published.
How is each run configured?
Secure by default
Connect once, stays signed in
WebRun signs in once and keeps each session in a persistent environment, so every run picks up right where it left off.
Every action is checked against this policy before it runs.
Questions, answered
Will it post buy prices to my public Discord on its own?
No. WebRun drafts the public buylist update in Discord and leaves it unpublished. You review the buy numbers and post it yourself, so no price offer reaches customers without your approval.
Where do the market prices come from?
It reads the live market pricing already attached to each single in Nerdslice, then applies your buy percentage and sell margin rules, so the numbers reflect your own pricing policy on top of the market.
Can I control how aggressively it prices?
Yes. You set the buy percentage, the sell margin, and the movement alert threshold, and WebRun applies those rules to every card so the refreshed prices always match your strategy.
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