My recommendation, is to view vaping as a lifestyle and hobby. First make sure you have adequate equipment to start such as an MVP/Nautilus type setup, and good tasting e-liquid. This is your hobbies sunk cost, and should not be included into your ongoing funding. Then sit down and make a wish list of the equipment you would love to own, and right down its costs. Now figure out how much you spent on your previous form of addiction. GIVE yourself this money to buy vape gear for at least the first six months. What I mean is that if you spent $13 a day on tobacco and only $2 on e-liquid and consumable you will earn $77 a week to buy new equipment. After 1 month that is over $300 of new gear. If you break down and buy tobacco subtract that from your "allowance". Six months would be close to $1800 dollars in top quality equipment, at which point most people would be 100% happy and completely off the analogs. You will save money, but be realistic. You have burned dollars into smoke for however long you have been on analogs. The savings will be realized once you are happy with your new hobby. Too many people focus on the costs of this hobby without thinking about the wastes of their past hobby (analogs).
Overall, quitting is about getting over an addiction. Many people on this forum replace the tobacco addiction with vaping. Approach this from a hobby/lifestyle change. Make it both fun, involved, and rewarding. Invest some time into YOUR life, YOU deserve it. Honestly, a PAD smoker spend about two hours a day smoking. You need to replace that time with a new hobby/addiction. The more you dedicate yourself to vaping the easier it will be. Use those hours to research gear and techniques such as RTA or RDA. I am currently transitioning and this thinking helps prevent tobacco purchases. Because dammit I want a bottom feeder, and several other things. I don't feel like spending $7 of my hobby budget on something I am going to burn. Especially when I can have that sweet $300 bottom feeder in a month or two time. Get it?