MSI B450M Mortar Max AMD Motherboard + Gigabyte 240GB SATA SSD Bundle, seems good for an entry build with good motherboard
I think this could be paired with 5600G as it doesn't support PCIe 4 anyway.
5600G for $331, no GPU needed
https://www.ozbargain.com.au/node/660438
5600G for $359, no GPU needed
https://www.pccasegear.com/products/55028/amd-ryzen-5-5600g-…
good price, but it is very hard to find any cheap AM4 CPUs.