The advantages to group game tickets is that is a good way to maximize your exposure (you have a little bit of a lot of tickets) without spending fortunes of multiple tickets. Due to the US Powerball having a minimum jackpot of $40m, group game tickets are always an attractive option as even with only a 2.5% share of the syndicate, you will still win $1m! As the jackpots grow, the Syndicate option becomes more and more appealing. The mantra of the group game player is “it’s better to have a little bit of something than a big bit of nothing.”
Despite the uneasiness of many to begin with, I know of no disputes or complaints from people who have bought Powerball tickets online via the insurance model, won and not been paid. As you can imagine, this scenario would effectively close down their website as they rely solely on the trust factor. The insurance model means that you will not be buying “official” tickets, but what do you care if you get paid your millions at the end of the day!
If you are married, unless you are legally separated (i.e., there is a written agreement recognized by a court or a court order), you need to include your spouse as well even if he/she does reside with you and/or will not immigrate with you. Of course, if you are legally divorced or widowed, you no longer have a spouse and you don't have to enter the former spouse information.
The two different methods, both offer you, the player, the same user experience and the only difference is in the back end of how the online lottery ticket provider works. The two methods that online lottery sites use differ in one key way; They either have agents and employees all over the world that physically purchase tickets on behalf of clients or, the more recent phenomenon is when companies essentially take out an insurance policy on every ticket which is tied to the size of the jackpot. This is the difference between you playing the lottery online and betting on the lottery online*. In the latter option you are, de facto, not playing the US Powerball online but rather you are placing a bet with an insurance company on the outcome of the corresponding Powerball draw.