Retailer sale cycles, deal feed economics, and the sourcing decisions that actually move margin. No fluff, no recycled listicles.
Buying the right product at the wrong point in a retailer's discount cycle is the most common invisible mistake in online arbitrage.
Q4 is won in August and September. By the time the deals look obvious in November, the profitable version of the season is already over.
Everyone sources from the same six retailers, which is exactly why the seventh through fortieth are where the margin is.
The number that decides whether a lead list works is one almost nobody publishes: how many people got the same lead you did.
Pick a feed by whether you can act on its deals, not by how many it sends. Most beginners buy the opposite way and cancel in six weeks.
Lead lists are worth it in exactly two situations and a waste in every other one. One month of your own numbers tells you which you are in.