Bob Yankle Loc: Burlington, NC

Hard. They do not do well in sand, so are useless on the beach. I know, I tried.

Elliern Loc: Myrtle Beach, SC

I recently bought an iDrive Nitro Euro style rollator for use when on long photo outings. It is super comfy, folds with one finger, has large 10" wheels for going over grass, roots, gravel, etc. and almost pushes itself. It has a carry bag that holds 2 small-medium camera bags, extra drink, and small purse. I also added a drink holder. The seat back and handle bars are adjustable with a push of a button. I love that it folds flat, (like a wheel chair, but smaller); literally with just one finger! I can then push it easily through gift shops and small museum rooms when I don't need to sit. Don't have to worry about navigating the narrow aisles.
The brakes can be locked, so you can use the chair to assist with getting up from kneeling or lying positions. Mine is white and super easy to push. When sitting, I can adjust the handlebars so I can rest my elbows on them to steady my camera.

I followed Bob's advice on getting a rollator from a year or so ago when walking long distances, carrying my gear became very difficult.
I bought mine through Amazon.
http://ancdn-p-t.shopletcdn.com/productimages/500x500/RTL10266WT_687769.JPG

Bill_de Loc: US

A friend of mine has one. He is not a photographer, but due to a physical condition he would either be housebound or in a wheelchair without it. With it he may be a little slower than he used to be, but he gets to where he wants to go.
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Moose Loc: North Carolina

Thanks all for your ideas. I checked on the carts that Bob Yankel and Elliern currently use and they certainly would do the trick. However, I'm still in good enough shape to walk around, its just the kneeling and trying to get back up without something to hold on to. These look like a solution for when I get worse. Imagemeister suggestion of using the monopod and having it collapsed and upside down looks like worth trying. My camera has the articulating LCD and I have the remote shutter release devices. The suggestions for the garden kneelers is the one I'll go with for now, along with Imagemeister suggestion. Its great to have all you to provide solutions.

Moose Loc: North Carolina

One last comment about the cart. I think it would be a great improvement if it had small balloon tires which would then allow it to be used in sand. I wonder if that is available?

Quixdraw Loc: x

Bad knees also -- a hiking staff, a strong monopod, a Masai Spear (Capstick had one as do I) handy out in the country -- in town not so much! Adds just enough to get past the initial push. ;-)

Uuglypher Loc: South Dakota (East River)

sorry...redundant post.
Dave

jerryc41 Loc: Catskill Mts of NY

Works for me!

eviemyoung

Get yourself a younger and stronger friend like I have. She helps pull me up every time. Now when she gets older we may have a problem.

wowbmw Loc: Grant, Colorado

I use this as well.

Mary Kate Loc: NYC

Alas, I was hoping by the header I would get some info and pass this along to my husband. Regrettably, it was only about old people and their stiff joints.

Zone-System-Grandpa Loc: Springfield, Ohio

++++++++++++++++++++++++++

A much younger friend with strong muscles.

insman1132 Loc: Southwest Florida

I was also going to recommend looking at the possibility of using a Monopod.

JPL

You might think about getting a camera with a flip out screen. Then you can place the camera lower when shooting and look at the screen from above to frame your objects instead of looking through the viewfinder. That means you do not have to get on your knees so often to get the angle you want.

denverdon

Same problem, bought a three leg stool from a medical supply. It folds to be a cane. Used it at Denver Botanic Garden last week. Slightly cumbersome, but worked great to shoot low. Had 4 people ask me about it. Don't think you and I are the only ones with this problem.