Quick answer: The real budget includes the machine, compatible mandrel and bushings, tools, safety equipment, drilling, finishing and assembly.

Independent technical guidance based on the sources linked below. No hands-on equipment testing is claimed.

Budget for a workshop system

Do not budget from a generic “under $100” project video unless it assumes you already own a lathe and drill press.

The equipment tier

A larger machine may preserve future upgrade flexibility, but only you can decide if bowls and larger turning justify that spending.

Consumables and repeat costs

Evaluate recurring purchases based on the style and number of pens you actually intend to make. The first five projects often teach what to buy next.

Three sample purchasing strategies

These are configurations, not actual price quotes. Do not add assumed Amazon prices until a permitted source with appropriate freshness exists.

The cost nobody counts

Time spent making a first pen safely is significant. Learning workholding, squaring, sanding and assembly is more important than optimizing cost per pen before you can make one reliably. A sound demonstration from an instructor, manufacturer manual and small practice batch may prevent more waste than an additional gadget.

A complete shopping basket

Once you can make a pen safely, you can defer convenience upgrades such as additional pressing or sharpening accessories until you know you will use them.

The recurring cost to watch

A pen contains both reusable tooling and consumable hardware. Pen kits, wood blanks, glue, finish and abrasives accumulate costs each time you make another batch. Bulk buying only makes sense after you have chosen a design and verified replacement parts.

Sources and further verification

Source links are included to help you confirm equipment specifications, accessories and recommended safety practices. Specifications may change with product revisions.

Relevant gear and supplies

Compare documented specifications and compatibility before following a shopping link.