Price seems quite reasonable. Especially since it includes a decent amount of decking, 2 color LED’s, SWCG, winter cover. Buyers always think the prices are high.
In Michigan, you will be fine with a 15K SWCG without needing to run your pump excessively. I’m in MD, so a little further south, and our 27,500 gallon pool in full sun works fine with one. Down south it would be too small for efficiency sake. $475 extra for a VSP is reasonable. Take it. No downside as noted above. Ignore PB concerns on that one.
Nobody said it yet but it’s a good price if it’s in the range of the competition and you like the PB.
Good luck! And ask away throughout the process.