One Object or Multiple Objects

This is just a quick question. If I am doing paid work/making a model to sell on turbosquid or somewhere else, would it be better to texture everything as one object or leave it in multiple parts and texture it that way. I know that if I have just one object then it will have one large image for the texture, and if it is multiple parts then it will have many smaller pictures. Problem is I don’t know which one is more convenient from the perspective of someone looking to buy a model. If it were me I’d personally want it in one object. Opinions?

I think it really depends on what object it is. If there are moving parts which could be animated, they should be separate elements with their own material and texture, like the wheels of a vehicle, a watch etc.
If it is a simple vase or a star planet (macro), then one object is fine imho.