1
Sand perches are expensive and hurtful. Use sand paper to cover the under-half of the perches so the birds' nails will be trimmed automatically without hurting their feet. Choose perches of the right size that allow their nail tips just to touch the sandpaper underneath. Use finer or coarser sandpaper, according to the bird's size. If different grit sandpaper cannot be found, then coarser sandpaper is okay for both big and small birds, but finer sandpaper is not suitable for big birds.

You have to ask for non-toxic glue (so even children can "eat" it without harm!). If the glue doesn't stick to the perch, secure with painter's tape around the sandpaper to keep it in place until glue dries (five hours to overnight, depending on the brand).

Remove painter's tape, and voil!

Note 1: Nothing lasts forever with their beaks (even hard perches). So please repeat the same process after "eaten" up.

 

2
Use wood shavings (same packets used as bedding and litter for rabbits, etc.) to line the bottom of birdcages. It's very easy to scoop away every day and keep clean. Change the entire bedding every 10 days.

The wood deodorizes and absorbs any birds' waste more than other kinds of materials.

Removing the bottom mesh from the cage would be best. This is so that if the bird falls, he lands on a soft bed of wood shavings instead of hard metal, therefore not getting hurt or injured.  

Note 2: If you have pets, use only mixed vinegar-water solution (50%-50%) to clean houses, cages, perches, etc… And use non-toxic skin cream to avoid causing illness to your beloved dogs, cats, birds, etc… when they come in contact with it through your handling daily.