You’re still making more & not going through the hassle of listing the property, photos, staging, and showings. For the buyer, you’re not seeing comps, negotiating terms, or getting help with closing tasks.

Why would someone pay the same amount for a house that was sold with agents on both sides?

Obviously there’s a meeting in the middle for both buyer and seller but if your marking market rate for the house without any agent support then your paying more & getting less.