I am looking for easy, economical ways to fence off my garden....

I have heard that putting Irish Spring soap in a food processor and it helps to keep away critters. Here's a link.

https://www.google.com/search?q=does+irish+spring+soap+keep+deer+away&rlz=1C1BLWB_enUS700US700&oq=does+irish+spring+soap+&aqs=chrome.1.69i57j0l5.9789j0j1&sourceid=chrome&ie=UTF-8

As for fencing off the garden, I would go with pallets. They are the most useful "recycled" items out there now. You can make everything from furniture to wall coverings to planters to well, fencing. The link here gives you the images. Click on ones you like and it will take you to the site. I am seriously thinking of going into the planter business when I am on a ground floor and have a shop again.

I hope this inspires you.

https://www.google.com/search?q=making+fence+with+pallets&rlz=1C1BLWB_enUS700US700&source=lnms&tbm=isch&sa=X&ved=0ahUKEwit0J-X_c7TAhWn5YMKHWZODu4Q_AUICygC&biw=1024&bih=642

Plastic bags tied around an area works great for deer problems. Be sure they can flop in the wind. An electric fence might be considered and is easy to install and take down. Good luck.

I have used T post and what's called a six foot non climb fence around things that I don't want the deer to eat like my vegetable garden I provided myself a 4-foot path all the way around and door opening and made out of PVC and the deer post with a simple swing hinge

My friend made a pallet fence and modified them so each pallet is a planter also it looks nice

Cheap usually is not real attractive. I use the green metal posts and green wire fencing. I tends to blend in with the yard. You can paint the posts. you can make it higher by putting up taller fencing or putting up a second layer like I had to with my sons two dogs. I used the gate from our old dog run that we don't have to use anymore because our yard is fenced. The fence is now probably about six feet high and dogs can't clear it anymore to destroy my vegetables again.

The metal posts are not expensive and really the fencing I used was not expensive, even for a long roll. I too am on a very limited budget. I find that sometimes it takes some time to get everything put together, but it gets done in the long run. Last summer we took out all the front shrubs and put perennials on the east side and patio blocks on the west side to put chairs on. I took us four months to get the plants and all the blocks. The blocks were only 99 cents each for a 12x12 piece, but it still took time. We put an old white plastic Rubbermaid love seat we found on the street and it didn't look good, but we made due until we found a decent looking one this spring at Sam's Club that didn't cost hundreds of dollars.