I like your approach because you are using multiple methods to get your insights. We also conducted a Qualtrics survey early on. We have taken the product to small groups of the target market at every step of development. Now we are nearing completion of a major chunk of our product and have a larger scale test/focus group set up. We are also working on even larger tests for the completed product. I strongly believe in gathering insights from the intended customer/user base.
Using online tools, you can also test your marketing approach with key words and so on if that is part of your plan.