Personal Finance Daily: People are paying to play online games that encourage them to save, and how one person’s excessive drinking can create financial havoc for others

Happy Monday, MarketWatchers. Don’t miss these top stories:

Airlines offer fee waivers for Dominican Republic flights after 9 tourist deaths

Consumers wary about upcoming trips to the Caribbean island should rebook sooner rather than later, experts say.

Wealthy parents spend up to $10,000 on SAT prep for their kids

One-on-one tutoring sessions from Princeton Review runs as high as $2,600 for 10 hours of private instruction.

Pepsi will start selling canned water — but is it more environmentally friendly than plastic water bottles?

As Americans drink more bottled water than ever before, environmental advocates are pushing companies to put water in aluminum cans instead.

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