How to get from CHF / EUR / USD to BTC / ₳DA?
It depends on your starting point and what your requirements are.
Basically, for the first purchase:
– The more short-term you want to buy ₳DA Cardano, the more expensive it is.
– Depending on whether you want to buy once or repeatedly & in what amount, it is worth (financially) to go the way of several wallets / exchanges / banks.