Amazon.com has a surprisingly good selection of metal lathes for sale. The vast majority of them are bench lathes and mini lathes aimed at the home machinist or hobbyist. They are very affordable and well worth a look. If anything here catches your interest, just click on the links for more information:

Anytime Tools 5 Lathe Mill CENTER DRILL COUNTERSINK Bit Tooling SET Anytime Tools 5 Lathe Mill CENTER DRILL COUNTERSINK Bit Tooling SET
List Price: $24.00
Sale Price: $13.99

Top Quality M2 HSS Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes in stock. Sizes 1, 2, 3, 4 and 5, 60° tip angles.

Shop Fox M1015 6-Inch by 10-Inch Micro Lathe Shop Fox M1015 6-Inch by 10-Inch Micro Lathe
List Price: $605.00
Sale Price: $599.00

This Model M1015 Mini-Lathe is a perfect lathe for someone who wants a durable and well-designed machine that can fit in a small location. This Mini-Lathe gives model makers, toolmakers, gun hobbyists, and the weekend machinist a way to economically produce small precision parts, threaded parts, fittings, and dies.

SHOP FOX M1016 10-Inch by 20-Inch Metal Lathe SHOP FOX M1016 10-Inch by 20-Inch Metal Lathe
List Price: $1,325.00
Sale Price: $1,349.00

An excellent small-sized lathe with an impressive 9-3/4" swing and 21" distance between centers, the Model M1016 offers a whole gang of handy accessories like 5" 3- and 4-jaw chucks, 8-1/2" faceplate, 4-way turret tool post, quick change tool post, quick change collet set, and more.

PSI LCENTLT2 No. 2MT Heavy Duty Live Lathe Center PSI LCENTLT2 No. 2MT Heavy Duty Live Lathe Center
List Price: $19.95
Sale Price: $16.56

Heavy duty #2MT live tailstock center with a 60 degree point, and ball bearing precisionLarge live lathe center60-degree pointBall bearing precision; turns smoothlyHuge live center for heavy duty workpieces5...

JET JML 1014I 10 Inch X 14 Inch Indexing Mini Lathe JET JML 1014I 10 Inch X 14 Inch Indexing Mini Lathe
List Price: $521.00
Sale Price: $429.99

An innovative update on the bestselling original model, the JET JML-1014I 10 x 14-Inch Indexing Mini Lathe features an indexing and spindle lock, live center with removable pin, and self-ejecting tailstock...

Grizzly G8688 7 Grizzly G8688 7" x 12" Mini Metal Lathe
List Price: $575.00
Sale Price: $595.00

Powered by a 3/4 H.P. motor, this lathe also features: variable speeds (0-2500 RPM), inch and metric reading dials, turret tool post, chip tray & splash guard. Features: ? Variable Speed ? 16 TPI Reversible Leadscrew ? Forward and reverse in all speeds ? Chip Tray & Backsplash Guard ? Threading Dial Indicator ? Standard & Metric Graduation Specifications: ? Swing over bed: 7" ? Distance between centers: 12" ? Spindle bore: 20mm ? Spindle nose taper: MT #3 ? Tailstock taper: MT #2 ? Tailstock travel: 2-1/2" ? Cross-slide travel: 2-3/4" ? Maximum tool bit size: 5/16" ? Speed range: Low Range: 0-1100 RPM, High Range: 0-2500 RPM ? Range of threads: 12-52 TPI ? Motor: 3/4 HP, 110V ? Number of thread pitches: 18 inch & 10 metric ? Net weight: 74 lbs...

Lathe Bit Centering Tool for Metal Hobby Lathe Lathe Bit Centering Tool for Metal Hobby Lathe
List Price: $24.95
Sale Price: $10.95

Quickly set the cutting tool tip height relative to the workpiece center line. When machine is level the accuracy of the bubble vial in our tool is amazingly accurate. Made in the USA from acrylic.

SHOP FOX W1704 1/3-Horsepower Benchtop Lathe SHOP FOX W1704 1/3-Horsepower Benchtop Lathe
List Price: $209.00
Sale Price: $183.76

Anytime Tools 9 pc SMALL MINI LATHE 1/4 Anytime Tools 9 pc SMALL MINI LATHE 1/4" C5 CARBIDE BIT SET
Sale Price: $29.99

Brand New Quality bits 1/4'' shank, C5 Carbide tipped lathe cutting bits for general machining operations such as turning, boring and chamfering. Includes: 2 pc AR4 2 pc AL4 1 pc BR4 1 pc C4 1 pc DD4 1 pc E4 1 pc RI4 Features: 2-1/2'' long Brazed on tips Made in USA

Shop Fox M1049 9-Inch by 19-Inch Bench Lathe Shop Fox M1049 9-Inch by 19-Inch Bench Lathe
List Price: $1,225.00
Sale Price: $1,225.00