Crossword Puzzle Poor provider

Clue: Poor provider

Poor boy provider (DELI with 4 letters)
Poor reception? (ALMS with 4 letters)
Caffeine provider (TEA with 3 letters)
Poor dating prospects (CADS with 4 letters)
Poorly explained (CLEARASMUD with 10 letters)
Big cell phone provider (GTE with 3 letters)
Some wedding music providers (e.g. DJS with 3 letters)
Pickup provider (NODOZ with 5 letters)
Poor crossword construction technique that requires too much of the solver (BADCROSSING with 11 letters)
Provider of store melodies (MUZAK with 5 letters)