If you need to expand your Mac storage in a big way without breaking the bank, your best bet is with external hard drives.
Samsung's T9 SSD offers up to 4TB of storage with transfer speeds of up to 20Gbps - in an ultraportable form factor.
And you can't run MacOS on an iPad. Or can you? I've been using a cloud subscription service called MacInCloud, which, as the name suggests, gives you access to MacOS in the cloud. Setup is pretty ...