Invest something you can afford to lose, I have gone through this project and it's quite amazing. I know many similar projects which still struggles to perform till date. So you can invest in it, but don't put in what you can't afford to lose
Yes, we should always prepare for losing money because we don't know how the companies will react after they collect enough funds. That's why we should always research the companies before investing, even though we research a lot, but companies are failing to deliver the products.