Online is definitely the way to go for buying diecasts these days. Much better selection than local and it's not that hard to find the one you want for a decent price. I have tons of cars ranging from 1/64 to 1/18. Some really expensive ones I leave in the package or if I really like the car, I buy another one to open. I used to buy everything back in the day but due to lack of space, I mainly focus on my Mitsubishi collection now: