I'm looking at groupset components and trying to decide between Shimano mechanical/Di2, and Sram AXS 11/12 speed. It feels "easy" to get Shimano grey market from Aliexpress, but where should I be looking for the best deals on Sram? I know there are Aliexpress vendors like Ltwoo, but I don't trust their electronic shifting yet and it's not that much cheaper than Shimano 105 Di2.
Do you tend to buy a complete groupset or do you buy the shifters/brakes/derailleurs from Sram/Shimano, and then add in chinese/Aliexpress cranks/cassettes/chains/etc?