Cost of living in Varna (Bulgaria) is 37% cheaper than in Abbotsford (Canada)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 301 prices entered by 24 different people.
For example, to keep the same standard of living that would require C$3,900 in Abbotsford you would need to make just about C$2,469 (3,206 лв) in Varna.