SP should really implement a similar GB system like Massdrop where buyers can have a 'Commit' choice
where their 'purchase' counts towards tipping tiers, but are only forced to buy the product once the
product has actually tipped.
It really helps to garner earlier interest from these 'last-minute-type' buyers. The earlier a product tips, the greater
the chance of earning higher tiers.
It also gives a sort of interest check during the actual GB and many buyers are given a nice safety net to see
the status of buying progression for cheaper prices.