Where Cash comes from
Pets add Cash per second while they are in the pen. That is the income the official description names. Selling eggs and spare pets is the other regular source. Higher-rarity eggs sell for more. One epic capybara sold for 750 Cash. There is no published sell formula, so the offer on your sell action is the price.
Other confirmed sources:
- Tutorial and event claim buttons. One first session showed 500 and 1,000 Cash.
- Playtime rewards. Recorded claims included pets as well as Cash. Claim them each session. The full list is not published.
- Battle pass level rewards, which include Cash, pets, and potions.
- Roblox Plus, which the official description says grants +10% Cash.
- A Cash Potion, which doubles Cash earnings for 10 minutes after you activate it.
- Rebirth and the base signboard, which multiply pet earnings rather than handing you a lump sum.
Where Cash goes
The sinks that change the run are the treadmill, the three clone tracks, the base signboard, trails, and rebirth. Cosmetics and unsettled Robux passes come after those.
The base upgrade is the signboard beside the entrance. Each purchase raises a Cash multiplier on pet earnings and changes the fence. One run went green, gold, purple, green-and-purple, then black-and-white. A player guessed that a base level also added pet room. Written descriptions only confirm the multiplier, so do not buy it for slots.
Observed base prices are landmarks, not a ladder: 150 billion appeared in two mid-game runs and may have been every upgrade rather than the base alone, 65 trillion was one tier in a maxing run, and 25 quadrillion was described as the final base purchase. Your sign is the price.
A spending order that matches the stalls
- Next treadmill, when clones die at the current gate.
- Rebirth, when its Cash price is covered and you do not have a cheap clone or treadmill still in reach.
- Another clone, portal speed, or steals per clone, whichever delay you can see.
- Base levels, once pets are the thing producing the Cash.
- The 100,000 Cash entry trail, once a zone is almost open and the shop shows a trail you can afford.
- Potions during the 10 minutes you are actually training or earning.
The rainbow trail at 100 quintillion is an endgame speed buy, not an early one. Its stated effect is x3 speed. The recordings do not say whether that is movement, training, or both.