2) Lock yourself out on the first day that your S/O is away, leading to you having to borrow a ladder from your landlord and climb up to slither through a second floor window you left cracked open.
3) Answer the door in your reg grundies (it was 9am on a Saturday) and have it be a police officer.
4) Discover that amongst other inconveniences, having ~5 hours sleep over 6 days during a time when you have lots of work and job interviews is not a good start.