Answer:
I am gold and can be black and white I'm a symbol for a nation when freedom took flight.
I may only be given but never bought. Sinners seek me but saints do not. (one word).
I am enjoyed by some despised by others. Some take me for granted some treasure me like a gift. I last forever unless you break me first.
I am always coming but I never arrive. What am I?
I begin and have no end. Eventually, I will be the ending of all that has begun. What am I?
No matter how little or how much you use me, you change me every month.