Newegg via eBay offers the Acer Aspire TC-780-AMZKi5 Intel Kaby Lake Core i5 3.0GHz Quad-core Desktop PC for $359.99 with free shipping. That's tied with our March mention as the lowest price we've seen. (It's the best deal now by $103.) Features include:
Intel Core i5-74100 Kaby Lake 3.0GHz quad-core processor
2TB 7200 rpm hard drive
Windows 10 Home 64-bit
These freebies are available to anyone with an internet connection, including both Amazon Prime members and nonmembers.