The Nissan Path

Hey all, just joined the site and am looking to keep my old Pathfinder running as long as possible. Bought it for $400 4 years ago and currently have 298,000+ miles on it. A/C and 4 wheel drive work great and it's a nice daily runner. Anyways, I have uneven tire ware on the outside of the front driver-side tire. I'm thinking it's the bushings or maybe she just needs an allignement? Any ideas? Also, curious as to where you guys buy parts along with any other inside tips I might need to know. All information is greatly appreciated. Thank you.

could be bushings not sure could also be tie rod I would take it to les schwab and ask them to look at it they will usually look at it and tell you whats causing the ware might be as easy as an alignment