I don't think there is much difference in what you are saying. Trading through API is quite easy when you have the right tools like a trading bot like Gunbot. You could input there your API and start trading right away and automatically, 24/7.

As for the accumulation of Bitcoin, maybe you are talking about compounding your money and continuing to load Bitcoin until you have a lot of BTC? That's like what it sounds to me. Maybe you can clarify it a little bit more?