I don’t know that this logic holds up from post #57. Student in the northeast generally DO visit colleges in the northeast. Thus they “show interest” for the colleges that want that, and thus are also possibly more likely to get in. However, these colleges also like geographic diversity… so a kid from Iowa who has managed to “show interest” for colleges that care about actually may have an edge over an NJ/NY/CT student.
You can show interest in ways other than visiting (although for your own sake I still recommend visits when possible). Sign up early emails on the admissions site. Keep track of when the colleges might be at career fairs or having events within a couple of hours of your house, and try to go. If you go to a place where a rep is, engage and talk to them, AND be sure to sign in on the sheet they have so there is a record of your discussion. If your high school is large enough so reps come there, go to their presentations (and sign in!), or at least stop by if you can. If you can’t meet your regional rep any other way, email them and introduce yourself. Say you won’t be able to visit the college, but are very interested in it and plan to apply. If they offer Skype or alumni interviews, try to sign up for one (assume you are a reasonably decent interviewer).
Now… this only matters for schools that care about student interest. You can tell by Googling " Common Data Set", and there is a section where they check off what is important in admissions. Some schools say it is not considered, so then it isn’t as important. But if it is considered, do as many of the above items as possible even if you can’t visit.