“CCTV is the "go to" vendor for audio visual products for my needs.
It has a large selection of products such as video cables in all lengths and several colors, as well as associated connectors.
I've had an evolving project over the last three years in setting up cameras on a large model train set up. It required hundreds of feet of video cable and scores of connectors. As the project progressed, I would find I needed - on short order - some additional length of cable.
I'd go straight to my computer, access CCTV, quickly locate the parts I needed, and put them on order.
They were always delivered expeditiously, thus keeping me on schedule.