no one ever went broke losing 1%
To get started, I recommend only that people invest 1% of their money in Bitcoin. I recommend a standard starting percentage instead of a standard starting amount because $1,000 may be nothing to some people but more than some others could afford to lose. Everyone can afford to lose 1% of their money. They still have 99% of it left. Once you invest 1% of your money in Bitcoin, you will be more likely to pay attention to it over time. You may learn more about it or you may not. At the very least, you will have it and you will hold it.