strut leaking replace

Hey guys i found out when i was changing my oil that something was leaking and it turns out to be by driver's side front strut. I was wondering what my best options are to replacing. I know that i have to replace in pairs but was probably just going to replace all four anyways. I was thinking of...

I need to replace my struts as one is leaking. I'm not ready to spend money on springs for lowering, but only want to replace with a good quality part. First a dumb question, if i buy a strut for example from summit that is not the entire strut assembly, will it (or most struts) just bolt into...