Considering the work you’re doing (video editing), a higher resolution like 1440p could be beneficial for you, even though the difference might not be as noticeable on a smaller 18" screen as it would be on a larger one. It really depends on what you’re comfortable with, and whether or not the higher price is justifiable for you. However, also remember to factor in things like color accuracy, contrast ratio, and refresh rate, which might be more important for your specific use case.
Yeah, right. Until you realize you need permits for that, plus the cost of insurance in case anything goes wrong, the cops could show up any minute for a noise complaint, someone could get too drunk and hurt themselves on your property. It’s a logistical nightmare and a legal minefield. Is it even worth the potential headache and trouble? Not to mention the cleanliness and potential damage to the property. Do yourself a favor and forget about this “business model”.