If mobility is an issue for you, a model with a smaller “Dob” will be easy to carry, but lack the detail and views of an 8-inch mirror.
I recommend investing in a Dobsonian Telescope with at least 8 inches of Aperture, as that is enough aperture to collect some serious light, yet still manageable. If mobility is an issue for you, a model with a smaller “Dob” will be easy to carry, but lack the detail and views of an 8-inch mirror.