Water can be used to clean your contact lenses.
Popping your contact lens into your mouth is a good alternative to solution in order to moisten your lenses.
Washing your contact lens case with solution is better than washing it with soap and warm water.
Lenses don't have an expiration date as long as they are not opened.
Monthly or two week lenses can last longer depending on how often you wear them.
If you wear makeup, you should put your lenses on before applying any sort of skincare products or makeup.
It's okay to sleep in your contact lenses, once in a while.