Trip Moscow (Russia) - Saint Vlas (Bulgaria). Part 1 (before Serbia)

We are driving from Moscow to St. Vlas by car with a dog. We are passing Belarus, Poland, Slovakia, Hungary, Serbia. We make stops and refueling on the road. We spend the night in Belarus. We stop for a snack and lunch.
The total cost for the whole journey is about 23t.r. (gasoline + vignettes + payment of roads + overnight)
Filling is best in Russia - Belarus - Poland - Bulgaria. Food on the road is best in Belarus and Poland.