Reselling guide
The craft, explained by people who do it every day.
Sixteen practical guides on how to buy, price, sell and scale. No easy-money promises: numbers, methods and mistakes to avoid.
First guide online, the others in the works · free reading, no sign-up
How to read the market price of second-hand
The difference between a flip that pays and one that ties up your capital for six months is almost always here: did you look at sold listings or at open ones? With examples across five niches and the most common traps.

Getting started
The basics for anyone who has never resold a thing
What flipping is and what it really pays
Real margins per niche, the time it takes, how much capital you need to start.
Your first 100 €: how to pick a niche
Why starting from what you already know pays, and the three most forgiving niches.
Where to buy: flea markets, house clearances, online
How to haggle, what to look at, when to walk away empty-handed.
Beginner mistakes that really cost you
Buying at retail, ignoring fees, falling in love with your items.
Pricing
This is where the craft is
How to read the market price of second-hand
Sold listings versus open ones, samples that are too small, inflated prices.
10 min readMarketplace fees, channel by channel
eBay, Vinted, Subito, your own shop: what actually stays in your pocket.
The right margin for each niche
Why 30% on hi-fi is great and 30% on clothing is not enough.
When to mark down, and by how much
The 30-60-90 day rule and how to apply it without dumping.
Selling
Photos, copy, shipping
Shooting second-hand with a phone
Light, background, the three shots that raise the price, the flaws to show.
Writing a listing that sells
Title, keywords, description, what to say about flaws and how to say it.
Shipping: packing and costs
Materials, couriers, weights, how not to lose your margin in shipping.
Handling haggling and returns
Answering lowball offers, when to accept a return.
Scaling
From hobby to business
Lots: buying sight unseen without losing out
How to value a block, the break-even, when to say no.
How much capital to keep in stock
Turnover, tied-up capital, the long-tail risk.
Multichannel: selling on more platforms
Stock, different prices per channel, avoiding double sales.
When to register as a business
Occasional selling, thresholds, flat-rate schemes: the criteria to know.
Newsletter
One email a month, with the market numbers.
What sold well, which niches are rising, a real case with the numbers in the open. No promotions dressed up as advice.
Sign me up
Theory helps, numbers help more.
Open a free account and apply the guide to your own inventory.