it's easy.

dig your holes for the posts is the hardest part.

layout your lines
set your posts
poor concrete
cross beams
pickets

American way:

I'd guess 10 guys, bring their stuff over to your place

one afternoon

10 pizzas

6 cases of beer




Liberal leftist pinko commie way:

hang around outside Home Depot and hire 20 Illegals and get it done for about $10