In head of this thread (picture ), we notice that pre-sale supposed that has already took place at November 9, I think they are facing some difficulties and that's why they are changing schedule everytime, but according to the admin on Telegram, those was only some private pre-sale.
it will take place after 24 days from now when this pre-sale (%20 bonus) finish, according to website 5,000,000 VIVID sold out early (in those previous pre-sale ). Main sale will break into 3 Tier, first with 10% bonus, second tier with 5% Bonus, third one with 0 bonus.
20% bonus is good but there are some projects that can go up to 40% bonus, but I am not sure if those projects are legit. I hope that by giving more bonuses more and more investors will join.
Offering the 20% bonus is enough for a legitimate platform. Increasing the percentage of bonus would be more likely questionable because it's too good to be true. I think their marketing strategy is good to gain investors.