at beck and call

accessible apt handy qualified ripe

adjusted anticipating arranged completed covered equipped fit near organized primed set waiting wired

all set all systems go at fingertips at hand at the ready champing at bit close to hand convenient equal to expectant fixed for in line in order in place in position in readiness in the saddle on call on hand on tap on the brink open to

incapable unskilled

unavailable uneducated unprepared unready untrained