As the improvement of LED laser technology, lots of different colors, different powers, different applications laser pointer arise, and the pirce is very different from each ones. the cheap price laser pointer is less than $25, however, the expensive ones are more than $300.
The power is many factor to effect the price, the more powerful laser pointer, the higher price. If you want the buy a buining laser pointer with the best price, the power can't not less than 200mw, so choose a 200mw laser pointer is a smart choice. But if you want to green laser pointer beam as fast as it could, do not hesitate to choose the most powerfull laser pointer.