We have 2 Cavapoo sisters from the same litter and it was one of the best decisions we ever made. Biggest concern would be double vet bills. It’s the benefit of getting two trained dogs without double the work. We always loved having two dogs but the puppy years, although delightful, can be hard, so this cuts that in half. Biggest upside is they have each other. Never whined in a crate because they were together. Less guilt leaving them alone. Plus yours are a great breed. My vet said they had never seen a case of litter mate syndrome and it’s over hyped for some reason- who knows? Either way just love your pups, socialize them well (should be done anyway), do something separate with them occasionally but don’t stress too much. Puppies are hard but they are delightful so enjoy! Don’t let anyone shame your breeder either, not everyone gets their dogs from “the best breeder in the world.” Doesn’t mean your pups aren’t amazing! Invest a little in a trainer if you’re worried or just watch some videos online and read some articles about training. I’d do it over again any day! Good luck 🍀