Welcome and glad you joined.
Sounds like you are on the right track and close to a solution. Getting the right nic delivery with great juice can work wonders. Might like to read:
Freebase vs. Salt Nicotine: What's the difference?
Juices with Salts Thoughts?
How to find the Best E Juice Nicotine Level&How Much Nicotine to Vape?
Nicotine Strength Help
Nicotine Strengths In Refill Liquid
Vaping with nicotine vs.nicotine free. Does this alter our vaping habits?
