Blaze it sounds like you need a lot of help. your gonna have to do some reading. I'd be happy to help you but you have to be willing to read. Sound cool? Cuz this is a forum where people come to type to each other and read responses. We've told you that a coil head lasts around 2 weeks if you take care of it. (wash it whenever it goes empty. soak it in alcohol while you use a new one, dry the 1st one before using it again, and keep them in rotation) The coil heads are cheap and they will last you 2-3 weeks as long as your not burning the juice and as long as your being clean and careful.
If you need something that LOOKS like a cigarette... Then your going to sacrifice battery life. WHY? Because the vaporizers that look like cigarettes are small. and the battery has to be small to keep them small. So if you NEED something that looks like a ciggy, then your going to need extra batteries and a Personal Charging Case that will charge one of the batteries while its in your pocket while your out on the town. Personal charging cases are called PCCs. My favorite cigarette look-alikes are from smokelessimage and they do have PCCs for sale as well. I recommend you get a 2 battery kit and a PCC, maybe a 3rd or 4th battery as well. The kits will come with cartomizers that you will be able to refill with juice. Still, I recommend you get at least 10 cartomizers (including the 5 that will come with your kit)
For juice... There is nothing that compares to a real cigarette. Nothing. No juice. NONE. None of them taste or feel exactly like a cigarette. This is probably because you are vaporizing juice, not smoking tobacco. There are some great tobacco flavored juices out there... But they are juices that attempt to replicate the sensation of the tobacco flavor. They are usually a mixture of caramel, cocoa, vanilla, nuts, spices, and sometimes tobacco and smokey flavor extracts. But none of them are going to 100% without a doubt replicate a real cigarette. For most of us that vape.. That worried us in the beginning. That no longer worries any serious vaper... Because you quickly find out that vaping a nice caramel vanilla RY4 (RY4 is one of the most popular tobacco-like flavors that there is) is 1000x better than smoking a cigarette. In fact, after a week of vaping, you can TRY to enjoy a cigarette, but it tastes like .....

Pretty cool huh?
Now, most of us are going to tell you to NOT go with a cig-alike and PCC, and instead, just buy a bigger battery personal vaporizer (aka PV) they hold a charge for hours and hours (unlike the 2 to 3 hour charge of a cig-alike) and they have more options for heads... Heads are what you put ontop (the coil) to vaporize your eliquid. The ego batteries are the size of a sharpie (some are longer) and they hold a charge much longer than the cigalikes. Usually you get 1 hour for every 100mah the battery holds. So a 900mah ego will last around 8 to 9 hours vape time. Where-as most cig-alikes are only 300 to 400 mah and they only last around 2 to 3 hours vape time. This is OK if you have a PCC charging the other 1 in your pocket... But it can be annoying and it can be dangerous. The cig-alikes also have a shorter over-all lifespan. You may have to replace an eGo battery 6 to 12 months into vaping.. But the cigalikes need to be replaced more frequently. They only last around 4-6 months before they wont hold a good long charge anymore.
I personally recommend you start looking at eGo kits. 900mah kits are good, but the longer 1000mah kits are great. I recommend you pick up an eGo kit and buy 4-5 clearomizers (clearomizers are a type of head) for them. You can get the vivi nova minis, or the kanger Evods, or the kanger T3s. All of these are great for a beginner. I personally like the Kanger T3s myself. They realllly do rock my socks off and they make the juice flavors shine really well. I recommend 12 to 18mg juice for a beginner. 18mg has a STRONG throat hit. 12 is nice and smooth, but still enough kick to feel it.
If you smoked around 1.5 packs a day... You need to know that most vapers vape around 3 to 4ml each day. So a 5ml bottle of juice isn't going to last you too long. You'll have to put in an order for a few samples of different juices to figure out which ones you like best. But also buy a larger bottle or two larger bottles of a juice that your pretty sure your going to love. Something like a favorite fruit, or a favorite bakery item. 30 to 60ml would be a good start. But dont forget to order a couple bottles of some juices that you'd like to try, in sample size, so you'll know what you like for the next months juice purchase.
The clearomizers I listed (vivi nova, kanger, ect) all have replaceable coil heads. So, the tank stays, but you'll need to replace the heads. The heads ususally cost around 1.25 to 1.50 and eventually, when you feel confident enough, you can stop buying the heads and instead, you can buy silica wick and kanthal wire, and you can follow a how-to video on youtube and recoil the heads yourself. That is a little bit cheaper than buying brand new heads, and it becomes a nice, relaxing hobby as well.
If you go with regular eGos, then you will like the lower reistance heads (resistance and ohms are the same thing. These just refer to the amount of heat the coil will apply to your wick/juice. The lower the resistance/ohm number, the MORE heat will be applied to the wick/juice. The HIGHER the resistance, the LESS heat will be applied to the wick/juice. So for a device like an eGo battery, you will want lower resistance/ohms. 1.5ohms, 1.7ohms, 1.8ohms, 2ohms, these are all good resistances for a regular eGo battery.
If you go with an eGo TWIST, or an eGo SPINNER (These are variable voltage eGos) you will be able to tailor your vape to whatever head resistance you've got. For instance if you have a 1.5ohm head, you will set your spinner/twist battery to 3.7 volts. If you have a 2ohm head, you will set your twist/spinner battery to 4 volts. (you generally add 2 to the number of ohms your heads have, and you've got a good voltage for them!

So if you want to go the variable voltage battery rout, go for an eGo spinner or and eGo twist kit. I think 900mah or more is your best bet. Each battery will give you around 8 hours of vape time while you have the other one plugged into an outlet. the 1000mah eGo spinner/twist batteries are best because when your using a high voltage, your battery will drain a bit faster, so you'll want a bigger battery. So if you go with the spinner or twist, get the 1000+ mah kits. That would be best.
And when your ordering juice, remember the 3 to 4ml a day rule. Get yourself a couple 30ml bottles of peach if you like peach, or blueberry if you like blueberry. But then try a couple 5ml bottles of flavors you THINK you might enjoy.. Like coconut cream pie, or snickerdoodle cookie. YUM! That will get you through till the next paycheck or what have you.
Good luck on your vaping journey. It is all very confusing and annoying in the beginning.. But once you have your kit in your hands and your vaping away on some good juice, you will not regret what you paid.. In fact, vaping is WAY better than smoking man. WAY better. Trust me. Trust all of us. Vaping is more fun, more tasty, and more healthier.
Enjoy your vaping journey. PM me with any questions u may have. Peace!
