these days due to negligence to this ever changing world, we lose a let. We are supposed to keep pace with it.
First of all get the designs organized, redisgn your logo, fresh colors, creative lines. Then get the billboard/fliers/banners etc depending upon the need. For designing you can pm me if you want, may be il b able to help as i work in an Advertising Agency so we go through designers 100s of times in a day.
2ndly mark your profit, does it seem feasable to move into new space?. Calculate profit and exclude all expenses including the rent of the new place. If it is feasable then move into more suitable place, and you get all fresh chance of rebuilding everything. For the design layout, when you tell us the exact area of the shop then someone might be able to help you rebuild that with elegance. First of all what kind of electrical stuff you have in that shop?
A small shop, neat clean that smells like heaven, real polite staff is a BIG TURN ON for customers these days. In this era, there is a lot of competition and you need to build customer satisfaction to survive.
Then keep all the items of good quality, so people wont complain. Put some unusual stuff in stock that will attract customers, it could be in a small quantity as not to burden the credit, but it does help.
Accounting Systems for shops are not expensive, i can and many others here can get you some nice software of a software build on your own requirement. It helps a lot in tracking your expenses and financial progress. AND you dont need to get showroom.
Visit blue area and find about electronic shops and just notice what do they keep, what sells like hot cake, what does customer require these days. You need to have a deep insight to improve.
AND risk assessment, which is the most important. Assess your risks involved in terms of financial losses, inventory devaluation etc. You will need to invest, and without risk you; infact no one can do much. So you need to invest, that means risking cash in other words, so assess the risks involved and go the extent till where you feel like safe.