Sure, that is a perfectly fine and reasonable approach. 🙂
I am not confident that this forum will be popular enough to justify its costs, but I started with a paid forum software anyways because I know I will be able to offer a better user experience from the start if I go with a professional forum software instead of a free forum solution. And I hope that this improved user experience will help attract new registrations and increase user engagement, much more so than what could be possible using myBB or any other free forum software.
But ultimately, whether you should use a free o