The list below is updated more frequently than the video above.
Starter Cameras:
Basic Starter Camera ($280 used): Canon T3
Better Starter Camera ($500): Nikon D5300
Better Travel Camera ($500): Olympus OM-D E-M10 Mark II
Landscape Cameras:
Good ($550): Sony a6000
Better ($1,400): Nikon D5500 & Sigma 18-35mm f/1.8
Great ($2,000): Nikon D800E & Tamron 24-70 f/2.8 VC
Best ($3,150): Pentax K-1 & Pentax 24-70 f/2.8
Sports Cameras:
Usable ($850): Canon Rebel T6i
Good ($1,850): Canon 7D Mark II
Better ($3,000): Canon 7D Mark II & Tamron 70-200 f/2.8
Little Better ($3,300): Nikon D500 & Tamron 70-200 f/2.8
Best ($9,900): Nikon D5 & Sigma 120-300 f/2.8
Portrait Cameras:
Beginner ($950): Canon T6i & Canon 50mm f/1.8
Better ($3,000): Nikon D610 & Tamron 70-200 f/2.8
Best ($5,300): Nikon D810 & Nikon 70-200 f/2.8E
Wildlife Camera:
Starter ($1,100): Canon 7D & Canon 400mm f/5.6
Better ($2,650): Canon 7D Mark II & Canon 400mm f/5.6
Great ($3,200): Nikon D500 & Nikon 200-500 f/5.6
Best ($14,100): Nikon D500 & Nikon 600mm f/4
Video Camera:
Beginner ($500): Panasonic FZ300
Better ($500): Panasonic G7 & Panasonic 14-42mm
Even Better ($1,400): Panasonic GH4 & Panasonic 14-140 f/3.5-5.6
Best ($4,300): Panasonic GH5 & Metabones Speed Booster XL & Sigma 18-35 f/1.8 & Sigma 50-100 f/1.8
Video & Still Camera
Great ($3,000): Fuji X-T2 & Fuji 16-55mm f/2.8
Better ($5,100): Sony a7R II & Sony 24-70 f/2.8GM
Pro ($5,200): Sony a99 II & Sony 24-70 f/2.8
Drone Camera
Beginner ($400): DJI Phantom 3
Travel ($1,000): DJI Mavic Pro
Better Image Quality ($1,500): DJI Phantom 4 Pro
Best ($3,000 + Camera + Lens): DJI Inspire 2