The Nashbar 'Stand by me' is handy, but can be tipped over if bumped:



Here are a few stands that I've made for cheap, mostly with scraps from work or home. Much more stable than the Stand by me:



This one is a double I made using the stand by me hook style. After prying the hooks open so they would better accept the frame, I coated them with tool dip. I miss calculated the support base on this one, and had to add an extension. Works great, even with bare frames.