While most German universities are tuition-free, foreign students will still have to prove they have the means to support themselves, which means a 5-figure sum for each year.
There's a massive difference between traveling somewhere for a holiday and actually living there. Also, most holidays cost a lot more and offer a lot more than day-to-day, and unless you've got money to throw around and don't need to work anyway, you'll also have a lot less free time wherever you are.
Why would would need another remote access solution if you're already using a VPN? Or is this a different VPN, not connecting to your own network? More details needed here.
Black.