I am not.
Easiest way is to train your brain to think “this item will cost me x amount of hours at the rock rolling factory”
If you don’t have a job get one. if you can’t work for whatever reason find cheap or free hobbies to occupy your time and that will keep you from spending money and probably create an outlet.
Oh, you wanted me to do this enormous task in an impossible amount of time? No u didn’t :) I’m actually not gonna do that, and good luck finding someone who will :-)
Especially a smaller conference with your professional and academic peers where everyone else is as passionate about your niche nerdy topic as you are. People will be super cool and supportive and excited to hear what you’ve been up to. And in the best of cases you’ll get to hear good feedback from well established and respected scientists!