There are many memecoins existing in the cryptosphere. If you want yours(memecoin) to be known and recognized as well as have investors, you should have a strong marketing structure that will help in spreading the news about "What's up bro''.
The crypto market is a competitive market investors will not like to invest in any projects that are newly created without wanting to know their marketing structure or the community behind the success of the project.
The 5% brought out for marketing, I hope the right audience will feel the need to invest in the "What's up bro" meme project