1) Where is Kever Rashbi located ?
According to R. Menachem Hachevroni (14th century) in Kfar Chananya
(15 km. south of Meron)
2) When was Rashbi niftar ?
According to the Chida there is no Mekor that he was niftar on Lag Baomer
3) Who wrote the Zohar ?
According to the Yavetz it was R. Moishe d'Leon
4) How can you bring nachas to Rashbi (guaranteed) ?
The Shoel Umeishiv ( 5 - 39) writes " if you distribute the money to Aniyei Eretz Yisroel
instead of spending it to go to his Kever etc., he guarantees Rashbi will have much more Nachas Ruach.