Sorry!!!
It looks daunting at first this building malarky but before you know it you'll be able to do it in your sleep
A tank, I don't really know, there are loads out there & I'm a little behind on MTL tanks. I've never used the Zlide so hopefully someone who does can chip in. There are plenty of MTL threads round here to to have a scour through
The easy part is the cotton & wire. A spool of 26 & 28g kanthal & a big bag of organic cotton pads should keep you going for a while. My standard is 26g, 2.50mm, 6 wraps for about 0.80 ohms
You don't really need a dedicated ohm reader, your mod will do the job. You can get build kits that include them if you want to pick up the tools
Hope that helps some