SFPs are the ideal tool: they have a defined price and allow those who buy them to participate in the growth of the project and to be able to earn when the project is fully operational.
JB offers you two different SFPs, STANDARD and GOLDEN, so you can choose the extent of your support: you can buy as many as you want, thanks to a simple and immediate contract.
Both give the same earning opportunity; the GOLDEN reserve impotent rights of active participation in ideas: