Yes, but the scar depends mostly on the patient type of skin.
No, such procedure is outpatient. Usually a rest of 72 hours is given.
It depends on the case. Everything depends on the type of yarn used.
It is usually recommended to take antibiotics in the first 72 hours.
An anatomopathological study of all extracted body injury must always be performed. This shows whether if the lesion is benign or malignant, and according to the case, allows to stablish the steps to follow.
I recommend avoiding direct sun on the scar for 3 to 6 months. During that period you can be outdoors or exposed to the sun, as long as sunblock and sunscreen are used.