The problem of scale for profitability from ads is certainly there. You could look to use something like admob to start with to make some money back (although the earnings likely will not cover with cost of marketing, without scale). Source: over 1 year ago

1. AdMob Google is the No 1 player in the mobile advertising market. It was already the largest online advertising company when it acquired AdMob. AdMob makes earning revenue easy with in-app ads, actionable insights, and powerful, easy-to-use tools that grow mobile apps. - Source: dev.to / almost 2 years ago

Use online services, such as Google AdMob, for filtering and sorting in-app ads. Source: over 2 years ago

There are different ways to monetize with your Flutter app. You can make users pay to download it, you can have in-app purchase plans, you can let users subscribe using recurring payments to use all the features, or you can show ads to your users. In this article, Dhruv Nakum teaches you how to integrate AdMob into your app. - Source: dev.to / over 2 years ago

f5.com - there's tons of documentation to be found there, also "community" or whatever they call it there. So, lots of material one can well read and study ... And usefully a place to ask questions too. BIG-IP - see f5. Source: almost 2 years ago

I took the 101 and didn't like it; I have a lot of experience with LTM/GTM, but the test was so basic and non-technical, they ended up asking a lot of 'pointless filler questions' (like, what is the URL for f5.com website, where do you click on f5.com to access XYZ info, etc). Source: over 2 years ago