A good rule of thumb when thinking about mailing information is smaller, standard and lighter is cheaper. Bulk mail is one situation where size matters. When you are using bulk mail it takes 5 to 10 days for the items being shipped to arrive in their final destination from the time the Post Office gets their hands on them. The bulk mail center is located in Fort Worth, Texas so when it is delivered to the main post office in Houston the whole job must be transported to Fort Worth for processing. A day or more in Houston, a day or more for processing in Fort Worth and a day or more in transition to your mail box. This does not include production and addressing time which in a normal situation one should allow 5-7 days for that. Planning ahead for time sensitive materials being mailed is the way to insure maximum impact at your lowest cost.