Can someone help me with this, or if you have a better way to do it? I'm new to buy stage

lighting for our events and need some help to advise where I can buy cheap but good quality

lighting online for our wedding parties. I was thinking I could buy some lasers first maybe

from the following site:
Is there anything I can buy in let's say roughly $100 range?
But i am not sure of their quality and warranty.

Opinions and advices are warmly welcomed.
Which one is better? many thanks for kind suggestion