(resume help) job experience having trouble wording it...?

the only real work history i have is at a pawn shop where i started by cleaning windows sweeping and moping floors cleaning counters throwing out the trash.....eventually i started organizing the stuff (doing inventory) the was coming in on the loans (collateral) not long after i started doing loans (in which i had to learn how to use the computer program and fill up the paper work and cashier register & when i also learned how to appraise gold and other items as started selling things gold electronics tools etc while still doing the things i did when i had just started working there,,,eventually i was promoted to night manager where i worked from 7pm til 9am in a smaller area with a night window where did loans and maintained my own working space ....this basically my two year experience i need help fixing it up and if i need something else let me know