Fascinating 'Early Shabbos' Questions - Rabbi Yakov Zev Smith

1. What is the earliest time that one can be mekabel Shabbos? 2. Understanding how one can turn Friday into Shabbos 3. Lit neiros Shabbos before the earliest zman 4. Early Shabbos for those who keep the zman of ר״ת 5. Can one “undo“ קבלת שבת if an important need arises? 6. The procedure for undoing the early Shabbos 7. Was מקבל שבת and realized that he didn’t yet daven Mincha 8. May one be בתנאי שבת מקבל) ?he might have to do melacha afterwards) 9. May an שבעה תוך אבל make an early Shabbos? 10. Finished seudas Shabbos and only neiros remain on the table over בין השמשות–is the table muktzah? 11. Making a bracha on ציצית שבת after one was mekabel Shabbos 12. How to calculate the ברכות מאה when one maes an early Shabbos 13. Should one who has yartzeit on Shabbos refrain from making an early Shabbos? Rosh CHodesh Elul 5782