i would calculate how long you have left until you can restock (You can order by special delivery as soon as you get home, or order before you get home, to have them ready for you?) and how much you have currently. Then you could work out how many doses you have left. I would make the doses the bare minimum, just enough to stave off w/ds and spread them out as long as you can bare, depending how severe your shortfall is. If its gets very serious maybe a trip to the ER could be in order.. Im surprised you've bit hit that badly after only using them once or twice weekly. I guess if youve previously been dependant/addicted then the w/d syndrome will get more extreme and easily triggered each time.
I was going to post about a minor triumph in the progress of my own taper but that would seem in bad taste now. I'll save that for another occasion.
Meanwhile i hope you get through this somehow, posting this may provoke fierce condemanation and anger but i read someone else posting that as an absolute last resort alcohol could possibly be used as a partail substitute if you have absolutely no other alternatives available and if the w/d symptoms really become too unbearable. It's only moving and delaying the problem though at best, with no guarentees of success. It could make the rebound anxiery even worse, so i'd wait for some more opinions from more knowlegble folk who are more certain about whether this would be a terrible mistake or just scraping through as best you can. Its not something ive ever tried myself but there benzos are used to taper of alcohiolism, so in theory the reverse might also work, allthough its never recommended as a desirable, safe, healthy or wise way to get through benzo w/d.