After 3+ years of use, this thing is still running strong.

After 3+ years of use, this thing is still running strong.  Read Less

Great job on carpet and tile exceeds expectations!

Great job on carpet and tile exceeds expectations!  Read Less

Carpet and dark wood floors look like they have been vacuumed every day.

Carpet and dark wood floors look like they have been vacuumed every day.  Read Less

The white pin that holds the brush was unstable and caused the side brush to grind as it went.

The white pin that holds the brush was unstable and caused the side brush to grind as it went.  Read Less

These replacement parts are inexpensive and worth keeping the roomba working properly.

These replacement parts are inexpensive and worth keeping the roomba working properly.  Read Less

) are inexpensive and super easy to replace.

) are inexpensive and super easy to replace.  Read Less

And let me say i paid under $200 compared to the $400+ i paid originally which was a nice surprise.

And let me say i paid under $200 compared to the $400+ i paid originally which was a nice surprise.  Read Less

Thanks to amazon history i can see i've replace dates battery, brushes and recently the side brush motor for $40.

Thanks to amazon history i can see i've replace dates battery, brushes and recently the side brush motor for $40.  Read Less

I purchased a two year warranty on it through amazon and never had to use it.

I purchased a two year warranty on it through amazon and never had to use it.  Read Less

Although the collector box was packed full.

Although the collector box was packed full.  Read Less

I would probably consider buying the 770 again, and not a new model should this unit ever take a turn for the worst.

I would probably consider buying the 770 again, and not a new model should this unit ever take a turn for the worst.  Read Less

I don’t see reviews like this for the brand x robots.

I don’t see reviews like this for the brand x robots.  Read Less