I am goign to redo your list to make it better, either value wise or product wise, in the lsit of products you ordered...
For your shampoo, go with Chemical Guys Wash n Gloss or Honeydew Snow Foam, better dilution rate and works well
For your clay, Riccardo Clay just was released from the patent and is able to be sold in the US, so grab a 5 or 8oz. For the lube, get ONR (not wax), and mix your own lube, it will save you money in the long run and last you a long time. I still have my gallon from 5 years ago.
Wolfgang duo is fine, but I don't know what paint you have or what car. For most cases, the duo will be fine. If the duo does not remove your swirls still (hard paint), then try FG400 or WG Uber Compound
I would hold on the WG 3.0 Sealant. Instead, use this as your free sample you get.
Instead of Wolfgang Gloss Liquid Seal, go with Blackfire Crystal Seal.
Instead of Porter Cable, just go with the GG6, it will save you money from upgrading down the road later. GG6 is just a better machine, and after the GG6, you will be tempted to upgrade to a Flex or a Rupes, but baby steps first, try this polisher and see how you like it...if you are only doing your own car as you said, then GG6 is all you really need
Hydrotech pads are great, but also Hybrid pads are amazing.
Instead of buying the bucket and grit guard, just buy the grit guard. Then go to home depot and buy three buckets for $6, you get 3x the bucket for 1/2 the cost of what you were going to spend on one. (3 buckets for, Wash+Rinse+Wheels)
Avoid the Mango Breeze towels. They are horrible. The best towels I have used so far are these rolled edges.
Super Soft Deluxe Green Microfiber Towels with Rolled Edges, green buffing towels, micro fiber, micro fibre, detail cloths
For the drying, the Guzzler is amazing, but you can also use the rolled edges mentioned above.
Lastly, if you already have Crystal seal, a wax is unneccessary. Blackfire Crystal seal is so easy to use, you will never want to wax because it seems like too much work compared to a Wipe on Walk Away like crystal seal.