Ebay offers Refurbished Apple Mac mini Coffee Lake i7 Desktop PC (2018) for $164.99 (reg $399) with free shipping.

Product Description:
This Apple Mac mini has been professionally refurbished. It has been inspected, cleaned, repaired, and is in good condition. It will show normal signs of use including minor scratching and/or scuffs/dings/dents.
Features:

• Color: Space Gray
• Slim aluminum design
• Intel 8th Gen Core i5-8500B Quad-Core 3.00GHz CPU
• Max Turbo Frequency: 4.10GHz
• 8GB RAM
• 256GB Solid State Drive
• Intel UHD Graphics 630
• 10/100/1000 Gigabit Ethernet
• 802.11ac Wireless LAN
• Bluetooth Wireless 5.0
• Supports macOS 10.14 or higher

Includes:

• Apple Mac Mini Desktop PC
• Power Cord

Ports:

• 4x Thunderbolt 3 (USB Type-C) ports
• 1x HDMI port
• 2x SuperSpeed USB 3.0 ports
• 1x Ethernet port
• 1x 3.5mm Headphone jack