Check the variant
Big (×2), Rainbow (×1.25) and Mega (×3) versions multiply value and ability. This calculator already accounts for each one.

Build both sides of a Grow a Garden 2 pet trade — stack as many pets and variants as you like — and the GAG2 trade calculator scores it Win / Fair / Loss against community reference values.
You come out ahead on value.
Big (×2), Rainbow (×1.25) and Mega (×3) versions multiply value and ability. This calculator already accounts for each one.
Income pets (Unicorn, Golden Dragonfly) and strong defenders (Ice Serpent) hold value best. A useful ability creates demand beyond raw rarity.
Limited availability and balance changes move demand fast. A newly-added or event pet can spike, then settle — see the latest patch notes.
This tool flags anything within ±15% of equal value as fair. Outside that band, one side is meaningfully ahead.
They multiply it: a Big pet is worth roughly twice a Normal one, a Rainbow ×1.25 and a Mega roughly three times.
No. They are community reference values that shift with the meta — use them as a sanity check, not gospel.
Yes — add as many pets to each side as you like and the totals update live, so you can balance a multi-pet offer.