The best approach would be to invest few grand currently and wait for the price to increase to say 2-3k per BTC then sell them. You won't really get rich but your money can be doubled if you invest properly.
Many websites of investment bitcoin are scam. You must be a smart investors and choose trusted invest site.
You don't have to be real smart mate.
Most scams are too obvious...
If it's to goo to be true then don't do it.
New site? Just wait a few months to see if it still exist and read some testimonials.