If you have much time - you can explore the test nets; if you can buy the dip and wait for the growth, choose this pass.
Testnets can give you profit when you enter such projects. Typically you would do the following:
1. Identify bugs other security risks in the software
2. Test out the software and give a review
3. ;and also stake testnets Keep in mind however that the rewards are usually their own tokens or coins which have no value just yet. You would have to wait and pray that you are lucky enough for the reward you have received to gain some value.