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 321 prices entered by 25 different people.
For example, to keep the same standard of living that would require C$3,800 in Abbotsford you would need to make just about C$2,381 (2,978 лв) in Varna.