Planning for your move to Bulgaria starts with a better understanding of the funds required.

The Bulgarian currency is the Bulgarian Lev. BGN has a fixed exchange rate for EUR.
Indicative rates 1 EUR = 1 USD = 1 GBP =
As of 15/01/2021 1.956 BGN 1.613 BGN 2.198 BGN

Here is more on tax and taxation in Bulgaria.

Or consider opening a Bulgarian bank account. – Bulgarian National Bank