Future Contracts for Silver and Gold

Hi all! I'm new in trading Commodities. What do you think about Trading Silver and Gold? This is the future contracts for Gold:

Contract Size: 100 troy ounces.

Price Quote & Tick Size: Dollars and cents per ounce; minimum tick size is ten cents per ounce or $10.00 per contract.

Contract Months: All months.

Trading Specs: Trades electronically on the InterContinental Exchange 2:30 am - 2:45 pm ET. Options floor trading hours are 0800 to 1300 ET.

Daily Price Limit: As of date of initial publishing, there were no daily limits; however, it is wise to consult exchange.

And this is for Silver:

Contract Size: 5,000 troy ounces

Price Quote & Tick Size: US cents per troy ounce; minimum tick size is half a cent per ounce or $25.00 per contract.

Contract Months: Trading is conducted for delivery during the current calendar month; the next two calendar months; any January, March, May, and September falling within a 23-month period; and any July and December falling within a 60-month period beginning with the current month.

Trading Specs: Open outcry trading is conducted from 8:25 AM until 1:25 PM ET. Electronic trading is conducted via the CME Globex® trading platform from 6:00 PM Sundays through 5:15 PM Fridays, ET, with a 45-minute break each day between 5:15 PM and 6:00 PM.

Daily Price Limit: As of date of initial publishing, there were no daily limits, however it is wise to consult the Exchange.