Hi
When you start... it could be a lot of things. Welcome to vaping 101.
Nope - vaping isn't smoking. Because it isn't the nicotine from vaping doesn't hit you over the head the way a cigarette does. It gets absorbed in your mouth more slowly - the same as that Nic-O-Gum. If you are trying to ramp your nic level up to get something like a cigarette buzz from a short vape you can make yourself sick chasing that. That can be a problem when you are starting vaping/quitting smoking if you are restricted to limited vape breaks at work. This works best if you can pace your vaping out on a consistent basis.
The other thing about vaping isn't smoking you will be dealing with is quit smoking withdrawal. This isn't just about replacing nicotine with nicotine. It's also about your body and brain going through withdrawal from all the crap that comes along with the nicotine from burning processed tobacco - including trace amounts of MAOI's - antidepressants. While you are sorting out the withdrawal higher and higher nicotine levels can't compensate for that entire process.
It sounds like your bigger problem right now is expecting vaping to be the same thing as smoking. It isn't. A lot of people new to vaping have to work up to vaping enough and on a consistent enough basis to deal with the cravings. Random vape breaks here and there throughout the day seldom work well when you are starting.
you are right on everything you say
I am lucky in a sense because I work from home so I did not have to face that
but I speak to friend starting to think about this path
would you think it be good for them to use nicotine gum in the beginning to get through the rough patches at work