Can a Bot Maker Plumbot sell another plumbot it created?

[Odie]

I have a Plumbot who is a Self-employed Bot Maker. He actually wanted to do that. He created a plumbot and they went to the Bot Shop to sell it, but when he clicks on the bot display, the option to sell doesn't come up.
It does come up if I let a sim in the same household do it, but I don't want that. My Plumbot is the Bot Maker and he should sell the other plumbot. Does he need a certain trait chip to do that maybe? Any help is greatly appreciated!!

[Junan]

Both the bot maker AND the plumbot have to be on the same lot to be able to sell it, though I'm unsure if there's specific selling hours. Hope that helps.

[Nytprowlr]

The first time my plumbot was able to sell another bot. Now Im only able to do it if the sim sells it. What’s going on here? Both the creator bot & bot for sale are together.