If make the pre-sale period longer would boost the interest as sometimes when presale periods are long, interest slowly drops as lot of people can't afford to invest sums needed during presale.Good partnerships keep people interested and focused on business.
There is a golden line between interest in a product and availability. I guess you need to concentrate on the psychology of FOMO. But that only works if your promised product has any integrity and stability in the first place. TAU seems to have all the right piece in place.