Can you provide more details about how this is setup? Are you using at.js? Are you using a global mbox or regional? Did you use a redirect offer in Target or code your own redirect?

The majority of the time I do an equal split, but here are some cases when I do 90/10 or 80/20. There are a bunch of confidence calculators that will tell you how long something should be tested with an unequal split. 1. 90/10 -  Called a "Hold-out" Where I plan on rolling a new feature or creative ...

I didn't activate it. I think it comes out of the box once you have A4T. You can check your classification structure hereAdmin > Report Suites > Select a report suite > Edit Settings > Conversion > Conversion Classifications > once there you would select tntActive Dates appearsWe then go into Worksp...

The special variable has a classification report called "Active Dates"You can create excluding segments for the end date. So nothing greater than whatever your end date is. Pretty handy and it is an epoch format so it is always easy to exclude. Hope this helps