i am looking for a vending machine that will allow me to stock one product only,all the vending machine companys i have researched only seem to supply machines with multiple products unless its condoms (which this isnt).would i have to contact the company whose product i wish to vend and maybe they could help me out?? i am new to all of this and i need as much help as i can, i thank you for any constructive advice you can give me.