Should I make a new company for another tech product I'm working on, or release and manage it under my current startup?

Making my own social website and as soon as I'm finished developing it, I'll be deploying it online. I already registered my AI startup with the government since late July, so I don't know if it's just better to stick with 1 company. I don't have the funds nor manpower to establish a holding/parent company so don't recommend that. 2/5 members have left and I'm considering kicking out a 3rd member since she's so lazy, which makes it only me and my friend from university (the others I connected via LinkedIn). My startups will be entirely remote until they gain enough profits to convince me to take it hybrid or entirely offline so yeah.
Merge products under current startup
Create another company for that site
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Should I make a new company for another tech product I'm working on, or release and manage it under my current startup?
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