I had a tenant move a large chest freezer into a 530 s.f. apt (roughly 2 car garage size).  

I am assuming the garage has ample room for a car to be parked in It as well.  2nd thought is if your competition does not provide w/d it’s a big amenity you are providing.  

(car payment, credit cards, etc) If so, pay those off first. 

A lot of investors think insurance is all they need to keep their properties safe, but what if you get in a car accident and are sued for a $2 million(true story) or even just have to pay a 50k settlement?

Do you want a new car?

Not next to a fourplex with all kinds of cars parked in the driveway and kids out in the street.Your goal as a house-hacker should be to control a more-expensive property for less than the amount it would normally cost you every month, reducing your monthly obligation to the expenses and winning on ROI with the appreciation on a pricier property.With minimal down payment, even on a fourplex the best you can hope for really is to break even every month and essentially live rent free.

However, as he has said multiple time he was still driving his Toyota car around when he made his first million.

I thought that a car wash may be a good opportunity and then found out just how much the owner was also an operator in most cases after talking to a few owners. 

Around here, I believe the inspectors have those notices in their car and won’t hesitate to post them when needed.

Being 16 I'm guessing you don't have many financial obligations yet: mortgage, car payments, student loans.