Based on the search results, here are five budget gaming monitors under $100 as of March 2024:

  1. LG 24" 3-Side Borderless FHD 100Hz AMD FreeSync Monitor (Model: 24MR400-B) - Features a 24" IPS panel with Full HD resolution, 100Hz refresh rate, and AMD FreeSync technology.
  2. Acer SH242Y Ebmihx - A 23.8" IPS monitor offering Full HD resolution, 100Hz refresh rate, FreeSync, and built-in speakers.
  3. AOC 24B3HM - A 23.8" monitor with VA panel, Full HD resolution, adaptive sync technology, and flicker-free technology.
  4. Sceptre E248W-FW100T - Not detailed in the provided sources, but mentioned as a budget option under $100 by DisplayNinja.
  5. Dell 21.5" VA LCD FHD 60Hz Monitor (DELL-E2222HS) - Offers Full HD resolution, a 3000:1 contrast ratio, flicker-free screen with ComfortView, and VGA and DP ports.

Please note that specifications may vary slightly depending on the source, and availability and pricing could change since these results are from 2023.