In many countries, you can easily order non controlled medicines on the internet and in USA, the FDA allows you to import for personal use.
The advantage of buying generic medicines online is that a buyer can get large discounts, if the pharmacy is chosen properly.
Medicines are usually delivered around 10 days after the order is placed
Propecia and acomplia are some of the medicines ordered online

Medicines from foreign countries can also be ordered online. However, the seller may not send the  medicines or send poor quality medicines. 

Prescription and mail order medicine information