Let me just get this thread out the gutter
It's nice to work on ramps with the space you create, but its also nice to have one wheel lifted slightly to enable the turning of the shaft to get to all the nuts. Some of them just end up in horrible places to work on comfortably.
Although, I am now at a point that I believe, you only need ramps to compensate for lack of lift

...
Check my Grandson playing under the towbar..

- 20151129_124402.jpg (122.22 KiB) Viewed 1357 times
Then he decides to use the towbar as a swingbar

(you can just see him on the left of the picture hanging up-side-down..

- 20151129_124323.jpg (144.38 KiB) Viewed 1357 times