You have to engage in whatever fundraising efforts are necessary to obtain the first $100.
In this case, we both value progress in the philanthropic endeavor, so we make a contract: "if you generate $100 of investment in the endeavor for me, then I will invest $100 in the endeavor for you."
In this case, we both value progress in the philanthropic endeavor, so we make a contract: "if you generate $100 of investment in the endeavor for me, then I will invest $100 in the endeavor for you."