Discussing conflicts of interest, Trump has previously issued several policies that allegedly benefited his personal interests and those of his group. So, this is a matter of whether or not it's simply ethical. However, discussing ethics with Trump seems almost pointless, given his controversial track record of frequently ignoring political norms for personal gain.
However, there’s nothing inherently wrong with this, as no federal law specifically prohibits the president’s family from engaging in business. While it may appear connected to decisions made by the president, their father, it remains a legal gray area. Technically, they haven’t broken any laws, but ethically, it raises many questions. So, it ultimately comes down to individual perception and how they choose to handle it.