I don't see where they would be a problem our club buys them in bulk by the 1,000 lot then members buy them a whole lot cheaper. It seems they are the de facto standard for all ecom use and for all FD connections also everyone has changed to them.
73 de Fred N0AZZ
The License is Only Your Starting Point in Radio!
MVDX/CC of SW MO., DX Hogs, OARS, NARC, NCDXF
ARRL member, ARRL and W5YI VE
DX the thrill of the chase
""D-STAR making use of the 2/ 440m repeaters for real world Digital Voice usage around town and around the world""
" Not one of us can do what all of us can do " ** Max Lucado