Spruce logs sell for $70–$75 each. Turn them into slabs and that value nearly triples. That's the whole game.

The catch: chopping trees manually is a waste of time. The real money comes from buying logs in bulk, automating the craft, and AFK-selling the output. Here's how to build it right — and what breaks it if you skip a step.

• Why Spruce Slabs Print Money
• Step 1: Pick a Location Nobody Finds
• Step 2: Dig the Room (Bigger Than You Think)
• Step 3: Build the Factory Layout
• Step 4: Buy Logs, Don't Farm Them
• Step 5: Load and Run
• Step 6: AFK Selling Setup
• Profit Math: Don't Trust the Headline Number
• Scaling Priority (Don't Get This Backwards)
• Risk Management
• Pre-AFK Checklist
• FAQ
• How much can a spruce slab factory make per hour?
• Why did my farm run out of logs so fast?
• Should I farm logs manually or buy them?
• What's the single biggest mistake in this build?
• Is going underground actually necessary?
• Bottom Line

↖ Why Spruce Slabs Print Money

1 log → 4 planks → 6 slabs. Every log multiplies into sellable units. Because slabs sell for more per log than raw logs do, the conversion alone creates your margin.

A fully stocked factory can hit $100M+ per hour, some setups push $130M/hour. Scale that overnight and you're looking at billion-dollar territory.

But here's the real lesson from testing: the farm isn't the bottleneck — supply is. In our run, the machine burned through its entire log stock in a few minutes. Crafting speed was never the problem.

↖ Step 1: Pick a Location Nobody Finds

Your factory is only worth what it can protect. Get raided once and the math resets to zero.

• RTP, then walk hundreds of blocks before digging. Never dig at your landing spot.
• Seal every trace — no exposed shafts, no torches, no obvious staircase.
• Avoid popular biomes. Common terrain with low foot traffic is safer than a cool resource biome.

Do not build near obvious RTP paths, or your factory gets found within days.

↖ Step 2: Dig the Room (Bigger Than You Think)

You need space for storage, water streams, crafters, hoppers, and an AFK spot.

Gear you need:

• High-efficiency pickaxe (Efficiency, Unbreaking, Mending)
• Shard drill for fast 3x3 clearing
• Blocks to patch and camouflage tunnels

Shard drills often run on a 24-hour timer — buy it only when your layout is ready, then dig nonstop. Wasting drill time wandering is throwing money away.

Build the room bigger than the schematic. Cramped farms clog hoppers, misalign water, and make troubleshooting a nightmare later.

↖ Step 3: Build the Factory Layout

Core components, in order of importance:

Storage is the real bottleneck, not speed. A small machine that runs 8 hours beats a massive machine that dies in 5 minutes. Build your chest wall before you optimize crafting speed.

↖ Step 4: Buy Logs, Don't Farm Them

Manual chopping is too slow for this scale. Place a buy order and let sellers come to you.

Example order:

Beat the top order by a small margin ($70 → $71) and you fill fast. Buying is faster than farming manually, but it front-loads your risk with real capital.

Rule of thumb:

• Logs under target price → buy aggressively
• Logs above target → buy cautious
• Prices spiking → pause immediately

If spruce prices rise above your margin, stop buying. Chasing the market blindly erases profit faster than it builds it.

↖ Step 5: Load and Run

1. Collect your filled order.

2. Feed logs into input chests evenly.

3. Turn the farm on.

4. Watch the first batch closely — do not walk away yet.

Startup issues to check immediately:

Catching a jam in the first 5 minutes saves thousands of logs.

↖ Step 6: AFK Selling Setup

You need this to convert output into actual money without babysitting.

If your character keeps opening chests instead of selling, enable toggle sneak and reposition. Small fix, huge time-saver.

↖ Profit Math: Don't Trust the Headline Number

``

Total Profit = Slab Revenue − Log Cost − Tool Cost − Repair Cost − Risk Buffer

``

Don't skip tool costs. A $17M drill needs to be paid off by your first cycle before you're actually profitable.

Judge the farm by a fully-stocked run, not a 5-minute understocked test. A short test tells you nothing about real potential.

↖ Scaling Priority (Don't Get This Backwards)

Most players upgrade crafting speed first. Wrong move — if you're already out of logs in minutes, more speed just makes the shortage worse.

At scale, your own buy orders push log prices up and your own selling pushes slab prices down. You're not just running a farm anymore — you're moving the market.

↖ Risk Management

If log prices climb and slab prices drop at the same time — that's the danger zone. Stop the machine. Don't run it out of habit; run it when the math works.

↖ Pre-AFK Checklist

• Entrance fully hidden, no surface signs
• Input chests loaded for intended runtime
• Water streams tested, no stoppages
• Slabs reaching sell point consistently
• Sell axe active and working
• Food equipped (golden carrots)
• Sneak/use toggles configured
• Overflow storage ready
• Market prices checked and profitable

Can't check most of these? Don't start an overnight run. A 5-minute test costs way less than waking up to a clogged, wasted setup.

↖ FAQ

↖ How much can a spruce slab factory make per hour?

A fully stocked, well-built factory can hit $100M+/hour, with top setups reaching around $130M/hour. Actual numbers depend on log price, slab sell price, and how long your storage lasts.

↖ Why did my farm run out of logs so fast?

Because the crafting speed outpaces manual supply almost every time. This isn't a build flaw — it means your storage and buying pipeline need to scale up, not your crafters.

↖ Should I farm logs manually or buy them?

Buy them. Manual farming can't keep up with an automated slab converter at scale. Buying costs more capital upfront but is the only way to sustain long AFK sessions.

↖ What's the single biggest mistake in this build?

Building a fast machine with weak storage. Speed is useless if the farm dies in 5 minutes. Storage decides runtime — runtime decides profit.

↖ Is going underground actually necessary?

Yes. A hidden base protects a build that's worth real capital. On a competitive SMP, an exposed factory gets raided — it's not a matter of if, just when.

↖ Bottom Line

Buy logs. Convert to slabs. Sell fast. Repeat. That's the entire strategy.

What separates a $20M side-hustle from a billion-dollar operation isn't the redstone — it's execution:

• Location keeps it alive.
• Storage keeps it running.
• Buy price protects your margin.
• AFK selling turns output into cash.
• Market awareness stops you from bleeding money.

Build it clean, stock it heavy, and only run it when the numbers actually work. Do that, and spruce logs stop being a starter block — they become your engine.