A few weeks pass.
There is a Grillbys here. Sans mostly watches the goings of snowdin from the relative safety of the tree line. He also grabs food at grillbys wich is surprisingly cheap for the quality of the food. His stores of gold are getting smaller as the weeks pass.
What's surprising is that here Gaster isn't the royal scientist yet. He's just a lab assistant. Sans also takes time observing what he does and tries to figure out if he was sincere in his offer of help. Though he doubts that the offer was sincere the longer he watches the less he doubts.
Gaster knew that the young skeleton from the forest was following him and that he was always just out of sight. He just will have to prove that the deep seated prejudice and anger in this small ones form is incorrect, at least about him in this universe.
A few months have passed.
Sans has no more g and He is low on magic and he can no longer sense the souls around him which is a base thing so he is really low on magic. His teleports are all wonky, but at least he's warm cause of his floofy jacket. He is still just out of sight of the people of the town and is asleep up in a tree branch. To be honest that's probably not a good idea to sleep in the cold because he hasn't been able to eat for a while and he could get hypothermia.