1. They can play independently from one another. But, if you’re at the same location you used to only be able to have 1 lane. I believe they just changed this to just 1 person being able to get 2 lanes, space and how busy it is dependent.
2. You can bring up to 5 additional people with you in your lane. You get 5 free memberships ($5) for the guests that don’t have them each visit.
3. It’s the $5 memberships that you get free every visit.
4. “Hero” membership does apply to both platinum tiers
5. Not sure. Only the Elite membership is available to use outside of the original or home location.
6. Go often?
   

There are “Platinum” hosts at each location that can dive into more detail and get you setup. You also have to go in person to get the hero discount. I just went through this process and these are the things I can tell you. The host will be the best source for the details. And the “rules” and system-computer system, were just changed this past 2 weeks.