> So if you just send back the empty envelope, it sounds like it will cost the company postage, even if it's less than a brick. It will. They pay per piece to

> So if you just send back the empty envelope, it sounds like it will cost the company postage, even if it's less than a brick. It will. They pay per piece to get each envelope/card back, the rates vary based upon volume (https://www.usps.com/business/reply-mail.htm https://www.usps.com/business/reply-mail.htm). So, if you notice how little they paid to get the letter to you, if everyone returned the empty BRM's, it could easily double or more their cost for postage to have mailed the things out.