One of the most important thing of the ecosystem of the project is listing of the tokens. It is necessary that tokens will be listed on different exchanges with big capitalization.
The popularity and liquidity of the exchange for the conduction of IEO and listing of the tokens is very important. Usually after the listing of tokens on big exchanges the price of the tokens grow.
A lot of depends from market conditions. If market grow the price of many tokens grow too. It becomes more simple to collect money on IEO.