Really highlights your ignorance on the Presidency and what's been going on so far. You just assume instead of actually looking into things. Just because you perpetually fail to inform yourself about something, doesn't mean that your interpretation is true.
Melania Trump often goes to the White House for meetings, and here are some (AKA Not all) of the things she's done as First Lady:
First Lady Melania Trump Announces the Reopening of the White House Visitors Office
First Lady Melania Trump Celebrates National Read Across America Day
Remarks by President Trump and First Lady Melania Trump at Make America Great Again Rally
President Donald J. Trump and First Lady Melania Trump Welcome Governors to the White House
President Donald J. Trump and First Lady Melania Trump Announce 2017 White House Easter Egg Roll
And also, Melania and Barron Trump are moving to the White House in July—so you can stop complaining now.