Base Building
Sell Ores base building guide: expand your base, unlock ore floors, build the mining factory and prioritize upgrades with the best return on investment.
Introduction
Your base is your factory floor in Sell Ores. Every mining spot, drone, ore floor and upgrade lives on your base, and the way you arrange and grow it decides how fast your income scales. The core base systems are simple: expand the base to unlock more mining spots, unlock ore floors to reach higher-value ores, and build the mining factory to boost total output. Because upgrades cost real cash, the order you buy them matters more than the raw numbers — a player who expands smartly can out-earn one who buys everything randomly. This page covers base layouts, the expansion order, the ore floor ladder, the mining factory, and an upgrade priority list based on community experience. Exact costs are community-reported estimates, so check in-game before spending, and remember that a clean, well-covered base is usually worth more than a messy one with twice the square footage.
Base Upgrade Quick Reference
| Upgrade | Tier | Cost | Priority |
|---|---|---|---|
| Base Expansion | S | Medium | Unlock more mining spots |
| Ore Floors | S | High | Unlock higher-value ores |
| Mining Factory | A | High | Boost total ore output |
| Sell Automation | S | High | Earn money while AFK |
| Drone Speed / Capacity | A | Medium | Faster loop, fewer trips |
Base Systems
Base Expansion
The growth lever that unlocks more mining spots
Ore Floors
The vertical ladder to higher-value ores
Mining Factory
The output multiplier for a mature base
Sell Automation
The upgrade that makes your base earn while you are away
Drone Speed & Capacity
The throughput upgrades that keep your base efficient
Core Mechanics
Base building in Sell Ores is a space-and-income puzzle. Expanding the base adds new mining spots, which lets you deploy more ores and more drones, but each expansion costs cash and takes time to pay back. Ore floors are the vertical progression ladder: each floor holds higher-value ores, so unlocking the next floor is usually the single best income boost available at that moment. The mining factory multiplies the output of the whole base, which makes it a high-value mid-game purchase once you have several spots running. Sell automation completes the system by making the base earn while you are away. The practical order most players follow is: expand early to get more spots, unlock floors as soon as affordable, build the factory when multiple floors are running, and keep drone speed in pace with everything.
Advantages
A well-built base multiplies every other system in Sell Ores. More spots mean more ores and more drone coverage, ore floors multiply the value of every minute of mining, and the factory boosts output across the whole base. Planning your upgrades in the right order prevents the classic stall of buying expensive upgrades too early when cheaper ones would pay back faster. For free-to-play players, base efficiency is the main lever: a smart layout with balanced upgrades out-earns a spendy but disorganized base. The priority list also removes guesswork — instead of wondering what to buy next, you follow the ranked order and keep your cash always working toward the next high-impact upgrade.
Challenges
Base expansions and floor unlocks get progressively more expensive, and exact costs are community-reported rather than officially published, so they can shift after a patch. Expanding too early can stall your income if you cannot afford the drones to cover the new spots, while expanding too late leaves you earning less than you could. The mining factory is a large purchase that takes a while to pay back, so buying it before your base has enough running spots is a common mistake. Because layouts depend on personal preference and playstyle, what works for one player may feel inefficient to another — treat community layouts as starting points, not rules.
Frequently Asked Questions
What should I upgrade first in my base?+
How do ore floors work?+
Is the mining factory worth the cost?+
Quick Tips
Unlock the next ore floor as soon as it is affordable — higher-value ores are the biggest single income multiplier in the game. If you can barely afford it, unlock it and spend the remainder on drone speed to work the new floor faster.
Do not expand the base faster than you can cover it with drones. An empty mining spot earns nothing, and a spot without a drone earns only when you manually mine it. Expand, then deploy drones, then expand again.
Plan your layout so drones have short trips — place the sell point near your busiest mining spots. Trip time is lost income, and a compact layout lets the same drones earn noticeably more per hour.
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