This is another of those fake rumors that people seem to enjoy passing around. There is a hard limit for the amount of fruit that you can fit in a stack, that being 9. I don't know whether it is possible to go higher than this if you were to hack, but I doubt it.
Lol If you had an infinite basket of fruit you can just keep picking out the fruit 1 by 1 and make hundreds of fruit baskets of 9. You got yourself an easy and fast house upgrade!