Question: red dead redemption 2 single player how to make money?
Answer: Sell horses. Horses are a good source of business in Red Dead Redemption 2, provided you know how to make the most out of the trade. ... 
Hunt animals (and people) ... 
Be a nice person. ... 
Complete story missions and side quests. ... 
Sell carriages and trinkets to fences. ... 
Learn how to gamble. ... 
Don't go crazy buying any guns. ... 
Rob bandit camps.