Answer:
Often wandering the streets, this group of people cannot afford to be choosers.
I am the first you ever saw, what greets you every morning and what goes out in the end.
Maritime marauders
I start in little but I end in full, you'll find me in half and complete.
Retired people want these to be large and birds want them to hatch.
How did the farmer find his wife?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?