Ask for a time limited access to their video tutorials, if they want to sell you a licence they should offer free access for a period.
I then downloaded all the videos and ran through at my own pace, zero cost. You can't download them directly, but it's doable with a little digging.
Altium has seen a lot of people stop giving them money of late, as the perpetual licence has been culled and maintenance withdrawn for those that have it already. Given the term based licence costs over double the maintenance on a perpetual licence every year, the sales reps are having to offer some huge discounts and incentives.
Try asking for access to the training for free or no sale, they may well cave this time of year.