A seasoned online flea market seller, Henna Oksanen, is sharing tips on how to successfully monetize unwanted household items. Oksanen has sold dozens, potentially hundreds, of items this year through online platforms. She has also discovered strategies to optimize listings for the platform’s algorithm, maximizing sales potential. According to Oksanen, she has earned approximately 300 euros with a focused effort of one to two weeks. Her experience highlights the growing trend of utilizing online marketplaces for decluttering and generating income. The seller’s insights offer practical advice for others looking to participate in the secondhand economy. This demonstrates a viable method for turning unused possessions into cash.