If you live in the US i would recommend something like this:
PCPartPicker part list / Price breakdown by merchant
CPU: Intel Pentium G4560 3.5GHz Dual-Core Processor ($64.99 @ Newegg)
Motherboard: Gigabyte GA-B250M-DS3H Micro ATX LGA1151 Motherboard ($73.98 @ Newegg)
Memory: Crucial 8GB (2...