trade is not good just because the selling price is higher than the buying price.

That sounds obvious, but it is one of the easiest traps to fall into.

A trade can look profitable until you realise the cargo is difficult to obtain, the buyer is a poor fit, the route is risky, your Node actually needs the resource more than the buyer does, or your Cinder is tied up waiting for the deal to complete.

The question isn’t simply:

“Can I sell this for more?”

It is:

“Is this the best use of the resource, the Cinder and the opportunity in front of me?”

That is what GreyDragon means when we talk about trading.

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Quick Reference — PUBLIC

Trading at a glance

• Buy price matters: Know what it really costs you to acquire the cargo.
• Sell price matters: Higher revenue does not automatically mean higher profit.
• Production cost matters: Something you produced yourself still has a cost.
• Demand matters: A buyer is only useful if they actually want what you have.
• Standing matters: Your relationship with organisations can affect your opportunities.
• Route matters: A valuable trade may still be a poor decision if the route introduces too much risk.
• Node needs matter: Don’t sell something your own city is about to run short of.
• Opportunity cost matters: Cinder, workers and resources committed to one trade cannot be used somewhere else.

The best trade is not necessarily the biggest trade.

It is the one that leaves your Node better off when it is finished.

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Overview — PUBLIC

Trading is what allows Nodes to stop trying to do everything themselves.

Your Node may be excellent at producing one resource and terrible at producing another.

That’s fine.

If another Node, player or organisation can supply the weak resource efficiently, there may be no reason to spend Cinder, workers and building space recreating the entire production chain locally.

At the same time, a surplus only becomes useful when you know what to do with it.

You can:

• hold it,
• consume it,
• process it,
• or trade it.

Trading becomes valuable when the fourth option produces a better result than the first three.

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How It Works — PUBLIC

Start With What You Actually Have

Before looking for buyers, work out whether you genuinely have a surplus.

There is a big difference between:

“I have 5,000 units.”

and:

“I have 5,000 units that my city doesn’t need.”

Your city may consume that resource overnight.

A new production chain may require it.

An upgrade may depend on it.

Or it may be acting as the reserve that stops your economy falling over when production dips.

GreyDragon treats a surplus as:

what you can afford to lose without creating another problem.

That is the number worth trading.

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Know Your Real Cost

If you bought the cargo, the starting cost is easy to see.

If you produced it yourself, things get more interesting.

That resource used:

• workers,
• buildings,
• infrastructure,
• inputs,
• time,
• and possibly Cinder.

So “I produced it for free” usually isn’t a useful way to think about it.

You want to know what else those resources could have been doing.

That is especially important once a Node starts specialising.

---

Know Why the Buyer Wants It

A high price is useful.

A reliable buyer can be even more useful.

If an organisation consistently wants something your Node produces efficiently, that relationship may be worth developing.

This is where trading starts to overlap with:

standing, AI corporations, startups and Node specialisation.

You are no longer just selling cargo.

You’re beginning to build economic relationships.

Trading Margin Analysis — FULL ACCESS

The useful number isn’t the sale price.

It’s the margin left after you understand what the cargo really cost you.

GreyDragon’s basic trade calculation should eventually become:

Net Trade Value = Sale Value − Acquisition Cost − Relevant Operating Cost

For produced resources, acquisition cost needs to include more than zero.

We need to consider:

• input resources,
• labour,
• production capacity,
• and the alternative uses of those same assets.

That lets us compare:

Produce → Sell

against:

Buy → Sell

and sometimes:

Don’t trade at all.

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Production vs Purchase

This is one of the most valuable comparisons GreyDragon can make.

Suppose your Node needs a particular resource.

You have two choices:

Build the chain

That may require:

• construction Cinder,
• several buildings,
• workers,
• inputs,
• and infrastructure.

Buy the resource

That requires:

• Cinder,
• a supplier,
• and continuing market availability.

Neither answer is automatically correct.

Full Access analysis should identify the point where local production becomes cheaper than continued purchasing.

That is the number that tells you whether another building is an investment or an expensive hobby.

---

Partner Analysis

Eventually GreyDragon should maintain profiles for major AI organisations and startups showing:

• standing,
• known preferences,
• dislikes,
• competitors,
• location,
• useful cargo,
• and observed opportunities.

Then instead of asking:

“Who buys this?”

members can ask:

“Who is the best strategic buyer for this Node?”

That’s a much more useful question.

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Route Comparison

Two trades with identical margins may not have identical value.

If one requires significantly greater risk, time or protection, then its effective value can be lower.

GreyDragon Full Access analysis can therefore compare:

Margin

against:

Risk

against:

Repeatability

against:

Strategic value

That gives us a more useful picture than price alone.

---

Node Specialisation & Trade

Trading becomes particularly powerful when it allows a Node to stop pretending it needs to manufacture everything.

A specialised Node can focus workers and infrastructure on what it does well.

Then trade fills the gaps.

The goal becomes:

Produce efficiently → keep what you need → sell the valuable surplus → buy what you’re poor at producing.

That is where Node bonuses, businesses and trading relationships start working together instead of acting like unrelated systems.

Last reviewed: September 2026
Game version/build: Update as confirmed