spivonious;

A quick check on Amazon should many that fit your budget. Here are two examples under $100 delivered. Pick one that will bit your horn and ride on!

http://www.amazon.com/InStep-Single-...icycle+trailer

http://www.amazon.com/dp/B00762O452?psc=1

http://www.amazon.com/gp/slredirect/...ting_sr_pg1_3?

Hope that helps

/K