Amazon has the Gigabyte 34" 1440p UltraWide 144Hz FreeSync Gaming Monitor (BLACK, G34WQC A-SA) for $300 with free shipping. Features 34" 3440x1440 VA Display Gaming Monitor, 144Hz Refresh Rate, 1ms (MPRT) Response Time, Supports Freesync Premium, Native 1500R Curvature, HDR400, HDMI 2.0 port.
Has excellent Amazon Reviews.
Amazon has the Gigabyte 34" 1440p UltraWide 144Hz FreeSync Gaming Monitor (BLACK, G34WQC A-SA) for $300 with free shipping. Features 34" 3440x1440 VA Display Gaming Monitor, 144Hz Refresh Rate, 1ms (MPRT) Response Time, Supports Freesync Premium, Native 1500R Curvature, HDR400, HDMI 2.0 port.
Has excellent Amazon Reviews.
$300
Amazon has the Apple Studio Display 27" 5K 2880p Monitor (MK0U3LL/A) for $1300 with free shipping. List price: $1599. Features 5120x2880 resolution, 12MP Ultrawide camera, Thunderbolt 3; USB-C, tilt adjustable stand.
Has excellent Amazon Reviews.
Amazon has the 15.6" 1080p IPS FHD Portable Monitor (M156F01) for $60 with free shipping. List price: $90. Features 15.6" 1920 x 1080 (1080P) FHD display, smart cover & speakers, HDR, USB C, HDMI.
Has excellent Amazon Reviews.
Prime members only. Amazon has the MSI PRO MT81D Aluminum Dual Monitor Stand Arms (Black) for $25 with free shipping on $35+. Supports screen sizes from 17" to 49" and a weight capacity of 2 to 20 kg (4.4 to 44 lbs) per screen.
Has good Amazon Reviews.
Amazon has the Alienware 34" Ultrawide 1440p Curved OLED Gaming Monitor (AW3423DWF) for $610 with free shipping. Features 3440x1440 (Ultrawide 1440p) native resolution, 165Hz refresh rate w/ AMD FreeSync Premium Pro, USB hub, 1 HDMI and 2 DisplayPort inputs.