If you've picked up on the signs, then leave your interpretations below.

There is the first then I'm in line,

My door's a place that's near you sign

It all to me, of kin you've got

And traded I'm in clothes, but not

A worry, quickly sent to you this shopping spree

My day's delivery.

'So you're not the first in line?'
'No I'm not.'
'That's a shame, so what are you the first in?'
'Are you going to try to answer the riddle?'

Riddle Answer The Next

Riddle Explanation
there is the first then I'm in line - next in line.

my door's a place that's near you - next door, as in next door neighbours.

you sign it all to me, of kin you've got - one's next of kin.

and traded I'm in clothes - Next plc is a British multinational clothing company.

but not

a worry, quickly sent to you this shopping spree my day's delivery - next day delivery.