If you are prepared to prepare your own chicken, coat in crushed pork rinds or pork panko. Delish.
Plenty of crisp like snacks you can make yourself, just Google keto crisps.
Have a look at the link in my signature.
If you change your diet you will improve your glucose levels and lose weight. It's a lot to try and take everything on board at the beginning. Baby steps.
Toast a few flaked almonds. In a ramiken, nuke a couple of squares of 85% or higher chocolate. Add sliced berries of your choice, add double cream, top with the toasted almonds.
Google keto chocolate mug cake, serve with double cream.
I am currently on 30 mg down from 60, I take 30 units of humulin I, at the same time as I take the steroids, then use the novarapid ad as corrections as required. I was given a Libre 1 for the time I am on insulin.
Those strips look expensive. It might be worth changing your meter. Strips are your running cost.
@Rachox has some good information on meters.
Stress can raise your levels so being frustrated with your liver won't help.
Gin and slimline tonic should not affect your numbers. You can't do anything about dp, it will sort itself out when its good and ready.
What meter are you using?