6x8 stockade panels are ~$35 per, at Lowes / Ho Depot.
Rent a posthole digger for a weekend for ~$60 - $80.
Insert 4x4s (~$3 for 8’er) & premix crete (~$5 for 40#), set posts, cure.
Attach 6x8 panels (few days later, or following weekend).
Voila.
:gotme: