Hey! im selling over 1500 GB of courses uploaded on mega (you can download them one by one or all at the time or even watch them directly on mega) , about everything trading, dropshipping, crypto, property market, fitness, diet, relationship and WAY more there's for more than 150.000$ easily with some hype courses i sell theses course one by one and make easily 100$ a day with low effort and up to 300$ a day with a lot of work, im selling it for 0.03 btc or 230$ paypal i can give some proof if you want.
If you're looking for a source to make a revenue selling ebooks and courses this is perfect for you, the market is large enough for new sellers