Can anything go wrong in this build? Such as motherboard/gpu/case fitting problems?

Solution
I don't see any issues. I would cut back on the psu though and spend more on the motherboard. Like this-

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor ($197.99 @ SuperBiiz)
Motherboard: Gigabyte GA-H170M-DS3H Micro ATX LGA1151 Motherboard ($75.38 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory ($52.99 @ Newegg)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive ($91.98 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($47.49 @ OutletPC)
Case: Thermaltake Core V21 MicroATX Mini Tower Case ($58.99...

CTurbo

Pizza Monster
Moderator
I don't see any issues. I would cut back on the psu though and spend more on the motherboard. Like this-

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-6500 3.2GHz Quad-Core Processor ($197.99 @ SuperBiiz)
Motherboard: Gigabyte GA-H170M-DS3H Micro ATX LGA1151 Motherboard ($75.38 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2400 Memory ($52.99 @ Newegg)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive ($91.98 @ Amazon)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($47.49 @ OutletPC)
Case: Thermaltake Core V21 MicroATX Mini Tower Case ($58.99 @ SuperBiiz)
Power Supply: Antec TruePower Classic 750W 80+ Gold Certified ATX Power Supply ($59.99 @ Newegg)
Total: $584.81
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-06-30 20:10 EDT-0400
 
Solution