Mail prices from the United States Postal Service will change today as new shipping service rates go into effect. The postal service previously announced that priority mail would increase by 6.6 percent on January 18. Meanwhile, the priority main express service is surging 5.1 percent, ground advantage is climbing by 7.8 percent, and parcel select by 6 percent. The new prices come as the USPS is steadily losing money, and costs for everyday Americans continue to rise. Late last year, the USPS