Question

Which is the best way to achieve long-term financial goals

Answer 1

The Most important thing to look at when trying to reach any financial goal is to look at your wants and need. For a long term goal I would set up a different bank account to set aside money for that goal ever week or month whatever works best for you. 

Answer 2

The best way to achieve long-term financial goals is to not eliminate short term financial goals.
I hope this helps.
Pm me if it doesn't. <3