That is why IEO that conducts on big exchanges like Binance are very popular and very often they last 1 day because all tokens are sold.

It is not enough to sell the tokens. The tokens must be on demand. Only in such case the price of the tokens will raise.

Now investors start to pay much attention to the realization of the declared ideas of startups and future demand in the tokens.

That is why it is very important to check how the project follows its roadmap and to check the development of the project.

It is takes time to understand how project follows the roadmap. Usually it happens after the token sale.