I bought an antique chair off Craigslist for dirt cheap and thought I'd give it a shot on learning and fixing it at the same time. I went thru several tutorials on YouTube an its was very lengthy and had to mostly do with springs that were from the up and not down portion. I'd thought I'd give you a view on how my job went. As you can see from the first pic, the springs are hanging all out on the bottom of the chair. After checking out some instructables and getting frustrated to the point where I was more than willing to just cut a board and staple it to the bottom, which would never have worked, I ventured out to the local fabric store, Anna's something, I got some red webbing which is supposedly stronger than the black ones, a mesh fabric for the finish, and some tacks for aesthetic looks.
Step 2: All In
First is getting all the tenants out. Vacuum and cleaning with a strong disinfectant spray. Next is making sure you have the proper tools to do a semi professional job. I personally recommend a staple gun with air compressor set to 80-85psi. I bought a tack remover screwdriver off amazon for $4 and some change. It'll make a world of difference later. The staple gun also was purchased on amazon for about $25. Totally worth it. Don't forget to get staples for it. I think I got the 3/8" or 5/8" for upholstering. Be patient and careful in removing the staples. This wood is old and can chip or break if you rush it.
Step 3: Damage Control
From here, you'll see that I've used a magnetic bowl, you can get from Harbor Freight for around $2. It'll help in holding your screwdriver and collecting the countless tacks and staples of the former job.