It’s going to sound counterintuitive, but the easiest way to sweep is to use the Ballet wallet app. Unfortunately, this means you need to buy a ballet physical bar to peel, but it gives you the ability to sweep from a Cas/physical directly into that bar where you can then sweep into whatever wallet.

Ballet UI is so clean, it works extremely well. Very secure. Sure, it’s an extra hop from using say Electrum, but it’s 100% worth it in my opinion.