We are on a budget too. So we opted to order bird netting with one inch holes from ebay. It cost just over 34.00 for a 25 by 50 foot single netting piece. We also added reed fencing outside the chainlink we got for free from our neighbors. It blocks some sun and wind, but still lets in light. We also ordered for 24.00 a 6 by 15 shade cloth from amazon to make a shade cover over part of the run. This way it makes it harder for things to get in or for over head raptors to see anything worth going after.