If not a mechanical person and don’t know about keeping good gas your equipment by all means get a good battery operated one. I find its a challenge...
As far as blades go, I've become quite partial to the Lennox bi-metal blades. They far outlast any carbon steel blade I've tried (I've tried most of...
When you know what saw/blade length you're getting, I would suggest starting with Supercut Blades. They are far less expensive than many of the names...
Many epoxies are damaged by exposure to UV. In fact, when using epoxy on boats, you always need to have some sort of protective coating over exposed...