It may come as a shock to you but in israel we do sell pots and clothes. And as far as electronics go even if you have a world wide guarenttee i have heard that a lot of stores will say we dont care. And tvs have a different system of reception so even if you do bring over a tv it will not receive and it has nothing to do with changing the electricity. Ditto with radios.
And what is so bad about supporting the local economy? Someone has to pay the army. In regards to bringing over a second suitcase what do you want to take? Personnal documents? I sugggest that you scan them and send tehm via internet. That way you will also have a backup copy.
Something that they will not tell you you is that egged drivers get a 2 1/2% commison so make sure that your driver is a Jew before buying a multiple ticket. If you have no choice you have no choice but if you ride the bus a lot keep that in mind. You may slso want to look around the internet and buy a copy of “Torah and Zionism?” and “Listen World Listen Jew” by by Rav kahane Another book that is advertised on this website is “Pirkei Avot a zionistic version”
Again in conclusion I would not worry too much about a second suitcase for things that you can buy here however things that have sentimental value bring even 5 suitcases. Whatever you pay is a lot cheaper than buying antoher ticket.