A few weeks ago, I started doing some exercises in the morning.
I have been using 1 liter milk bottles filled with water as weights. When they started to leak, I figured it was time to take the next step, and bought some cheap dumbbells.
Dumbbells
For £10 I got 2 x 1.5kg, 2 x 3kg and 2 x 5kg.
I think I got a pretty good deal, and the store I bought them from was about a 2km walk from my house, so I ended up getting my first workout with them straight away.