Hotels and flights aren't all you can save $$ on By: CNBC.com News June 05, 2015 at 14:12 PM EDT The best-laid plans could save you substantially on dining out, amusement parks, ball games and other summer vacation fun. Read More >> Related Stocks: Amazon.com Cedar Fair LP Groupon Cl A MGM Resorts International Marriott International Six Flags Entertainment Corp Travelzoo