Queries ,confusions and doubts about option trading

Whether you buy CALL option or PUT option, premium is paid in case of BUY

Both put and call premium option price decrease over the period of time.
You should check Time decay and Option Greeks(Delta, Gamma, Theta, Vegas)

Thanks Hardik and Darshan for giving me these information.

Watch below video to fully understand three elements that make up option prices.

I hope this help.