It is my first game in Europe 4: i didn't play any paradox game earlier and am confused of how colonies work
Now I have 6 colonial provinces with total income of my colonies (French Brazil) around 55. With viceroy =20% I earn from colony (Tariff efficiency) 0.75 per month (if we trust economy tab of my empire).
In the same time, until provinces joined as "French Brazil" and were just part of my country each of them with tax income around 3-4. I don't have old saves so can't proof, but I believe 4 provinces were contributing more than current 6 joined together.
I believe colony itself will keep invading other provinces that will raise my profit from colony, but my 2 colonists cost me 8 gold per month!!! And I have zero to nothing income from colony for years...
What I'm doing wrong? How to raise income from colony to be profitable?
Should I restrict amount of invaded provinces to be 4 so they don't join into another country?