Do beginner coders actually need two monitors?

Not at the very beginning. One good monitor is enough to start. Dual screens help once you have a consistent pattern of needing docs and code visible at the same time.

Can I use a TV as a second monitor?

You can, but most TVs have higher input lag and are sized for farther viewing distances. A purpose-built monitor at desk distance is better if you have the choice.

What is the cheapest useful second monitor?

A 24-inch 1080p 60Hz display in the $100 to $150 range is the entry point that is actually comfortable to use. Cheaper displays in the $70 to $90 range often have color and backlight quality issues that make them unpleasant for long sessions.

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Budget Dual Monitor Setup for Beginners

Budget dual monitor setup for beginners. When a second screen actually helps coders, the cheapest way to add one, and what to watch out for before you buy.

https://setupcurated.com/guides/budget-dual-monitor-setup

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