What is the best bitcoin business to create that will grow throughout 2017?
There's a saying: Be the best at what you do. Don't be the best at what other people do.
Don't go for all these fancy easy-money-making methods or businesses. My suggestion: accept BTC for your services and that's it.
Your suggestion to accept BTC for the services you've done is good. But I think it's better to invest so you could gain profit in a shorter span of time. Because if you're just accepting bitcoin as payment for your services done, then I think you'll gonna wait quite a longer time to achieve a high amount of BTC. If you target to reach a maximum amount of BTC then you must engage in a business that could give you an extra BTC income.