Using an iPhone Instead of Internet at Home?
It really depends on what you use your home computer for. If you do a lot of typing you might want to look at a bluetooth keyboard as the one on the iPhone is tiny. Also you must remember that the screen is really small. I would suggest an iPad if you were...
Tiny Jumping Bugs in Couch?
They really do sound like fleas; otherwise, I am not sure.
Chalk as a Spot Remover?
I use corn starch. I keep a little jar full in my laundry room and put on stains as I put into the laundry basket. Works wonders.