Small packages can start as low as $0.49. Larger campaigns through promotional networks like 3000 Bass can reach up to 1,000,000 followers for roughly £90 (~$110 USD). Organic Alternatives & Hybrid Models
For artists wary of bot-driven services, there are "exchange" platforms that facilitate genuine engagement between users. buy soundcloud reposts
You provide the public URL of your track and select the number of reposts desired. Most providers do not require your account password. Small packages can start as low as $0