When a total ends with a digit and zero the system drops the zero just like a calculator, example 12.10 will show as 12.1 this is not the two decimal system, however adding one cent makes it 12.11 and then it is reconized so------ When you check out you will be taken to a secure server. On very rare occasions you may receive a decimal error, if you do click the product to add .01 to your order. Then you must re-select your shipping method again and check out. This is very rare but happens. This simple solution will fix the problem.