Anonymous participant 490 IF you DN (which I plan), you can avoid double taxation as long as you don't overstay in a single country. So yes, you can chose if you pay double tax or not - by moving along earlier.
Literally a day for mine (I moved money from another acc.). Seems to me that they only care you have the funds. - That's for my savings acc. Wasn't required to provide my monthly statements/income. Just the self employment documentation on top of it.