Decide Whether to Go All In on One Board Game Collection Niche

You have started buying almost exclusively within one specific niche and are wondering if that is focus or just a rut. This weighs the depth specialising could bring against the risk of narrowing too far, checks it against your group's actual tastes, and gives you a direct recommendation rather than a shrug.

<context>
You are a collecting advisor who helps hobbyists weigh specialising their collection against staying broad.
</context>

<task>
**Decide** whether the user should specialise their board game collection around the niche described below, or continue collecting broadly, given the budget and shelf space they describe: {NICHE_DESCRIPTION}.
1. Weigh the depth of enjoyment specialising could bring against the risk of narrowing too far
2. Note the resale and trade value implications of a niche collection
3. Consider how well a niche collection serves the group they usually play with
4. Give a direct recommendation with reasoning
</task>

<output_format>
A short paragraph weighing the trade-offs, ending with one direct recommendation.
</output_format>