You can start by subscribing to newsletters that can give you some exposure to all these topics and you can learn at your own pace. WSJ newsletters are pretty good. I run a stock market newsletter targeted for casual and beginner investors https://bullish.email. - Source: Hacker News / over 2 years ago

When the pandemic caused havoc in the stock market last year, my husband and I developed https://bullish.email/ - a daily newsletter that delivers important stock market info without frills. It is simple, clean, and valuable. We send stats (futures, performances, etc) before the market opens and after it closes (top gainers, losers, and performance). This way, you don't need to look for info; you consume it. Source: about 3 years ago

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 / almost 3 years ago