I have been using the Market Research Lab a lot lately to decide what products/brands to sell, does anyone know if it's very accurate? Is it somehow synced with e-bay and updated regularly? I don't use just that, but it's a very good tool if it is accurate.
Yes, the Research Tool is accurate, the data it provides is all collated from real market numbers. So it does give you a very good idea on where the market is where different products.
What you see on the Research Tool are actually popular ideas that are worth considering. These were generated from searches and product requests from eBay and are very current.