Lets say i have a serious problem i need solved and i see gittip as a great way to encourage someone to do. How do i go from this homepage to giving my money to

Lets say i have a serious problem i need solved and i see gittip as a great way to encourage someone to do. How do i go from this homepage to giving my money to the person who will solve it? Or is this just for the case where someone has already done great work, and i want them to continue it (literally a tip)?