Decide if this is going to be used for a short term fundraising goal or if this is to be perpetual.
Tell everyone about your rumm.ag and get donations. They can drop them off at an approved rumm.ag distribution point. We recommend a date for the initial drop off to start your rumm.ag with inventory. Additional donations can be added anytime after, of course.
There are share buttons on your story page, shopping page, even individual items can be shared. Use them, they will increase sales.
Cash out your proceeds and use them for your fundraising needs.