Re: Lamp Oil
I used to cut the top straight, and then trim the ends in a slight curve (like a fingernail).
A straight cut wick will not burn completely and be smoky/sooty. A pointed wick will burn hot & fast, but give out little light.
See also ➥ Proper Wick Trim for Oil Lamp
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"