Gas huffing is totally doable as an alpha, but you have to do a few things first.
First is your scanning frig. Use a T1 scanner like a heron. Fit it with a 5mn MWD, scanning upgrades, probe launcher, and whatever crap you need to get it cap stable with the MWD on. What you do is jump the wormhole, bookmark it (very important), pick a celestial like a planet, and warp to it. In warp, drop a bookmark, so you’re not near anything. Warp back to the bookmark, double click in space, and turn the MWD on. Proceed to scan whatever you like, while flying along at 3000+ m/s. The reason for that, is even if someone scans you down, you wont be where they scanned you. You’ll probably be about 40km from their probe result, and still moving, which makes you VERY hard to catch.
Once you have the gas site resolved, bookmark it, and go get your venture, which needs to be fit with two huffers, and an MWD. As soon as you warp to the site, edit the bookmark with the time you clicked warp. You have about 10 minutes totally safe, then keep an eye out for sleepers. When they arrive, bail, and repeat the process for as many sites as you like til you’re full.
Heres a helpful site for figuring up the value of whatever you’re after. Makes life easier:
https://www.fuzzwork.co.uk/ore/gas.php
And if you’re omega and want to be a REAL dick, you can drop a bubble at the warp in point. That + sleepers can make for some fun killmails later…
Oh, and dont bother with the Ordinary Perimeter sites. The sentry guns are there as soon as you warp in, and hit about the same as an artillery fit tornado. Each. There’s 4 of them. You’ll die instantly.
Have fun getting high, maaaaaan.