The chance of repeating the same mistake is not impossible to happen you need to do more research and have that confidence with your call when deciding to invest again.
Investing/trading is really a challenging business, not an easy scheme to earn money but a good venue to try your skills plus the luck you've got.
This is why it is a lot better result for sure, and will definitely make you money in the end. Plus you could be a long term investor of any project, and the chances of you getting richer goes up each year, unless it’s a scam.