QBO UK is £36 per month, as an accountant I block bought subs , so can get supply it for half that. For 200 sounds like you have the new high end version which ...
Yes from a computer. if you ave scanned 20 invoices on a pc, split to 20 or have 20 receipts, You then drag and drop all 20 and it will process them as a batch....
Had similar issue , realised for importing the bank cannot be a sub account, would hep if QB error told you that was the error. Stopped that bank being a sub ac...