Now the discounts are gone. There were 40% on pre-sale. Now, if it is cheaper, it is possible only after entering the exchange. When the program of Bounty work will be sold.
At the pre-sale discount was 20%. 40% was not. Now tokens are also not expensive - 20 cents. When the project starts on the listing exchanges , the price may be even more expensive. You should think well when tokens are better to buy