What is Blazing Electronics? Blazing Electronics is a service for selling used smartphones and tablets. Blazing is different than eBay, Craigslist, etc. as it gives you quotation for product you want to sell in advance. We offer free shipping for your order and pay within 2-3 business days upon receiving the device. You receive regular updates for your order making the selling process extremely easy. Selling on Blazing is is free. We make sure you get paid Blazing fast!