A penny saved

"Penny stocks" can provide much higher returns if you do it correctly. You must have software that can pick you since there are absolutely thousands and thousands of Penny Stocks listed and it is almost impossible to have a closer look of all of them. The robot software saves a lot of your precious time [...]

http://www. coolpennystocks. . . .

I do not see online on "penny stocks" and quite a few answers and advice from others to avoid them. What is the biggest risk involved with them-vs.-higher prices, stocks of more established?