-If you have another adult in your household, 350k is pretty easy to amass through credit card subs alone.
-While 1.7+ cpm redemption options certainly exist (e.g. JL flights are often >8), practically speaking 1.2-1.5 is more common.
-Unless you have a sweet award in your sites but are short on miles, buying miles rarely makes sense; they will never increase in value.