You got this! Sit back and enjoy the cook. Biggest thing to remember is that the meat is done when it probes tender in the thickest part of the flat. Once you get that, the brisket world is your oyster.
*Weber Mini WSM* *Weber Touch and Go Performer X3* *Sublime Smoke UDS* *Maverick ET-732 * World's Fastest Blue Thermapen **Pitmaster IQ110*