Calls are the option (right but not the obligation) to buy stock at a particular price (strike price) on or before a particular day (expiration)

Puts are the option (right but not the obligation) to sell stock at a particular price (strike price) on or before a particular day (expiration)

Buying options limits your risk to the premium of the option plus any commission fee from your broker.

Thinkorswim commissions are ~$1.30/contract (round trip)

65 cents to get in and 65 cents to get out.