Arches that go over a 6 foot serving table start about $120.00. Large arches similar to that pictured can allow passage for 3 average height people simultaneously, starting about $400.00.
A basic 6 foot garland with no add ons start about $120.00. Basic photo op corner garlands with no add ons allow photo ops for up to 3 average sized people come in a minimum length of 16 feet, starting about $320.00.
A basic pair of 6 foot columns with no add ons start about $240.00.