This is not permissible as it involves riba. If he sells you what he
has in his possession by a fixed price that is a lump sum whiteout the
possibility to ever increase the agreed price even one dime, this is
permissible.
This is not permissible as it involves riba. If he sells you what he
has in his possession by a fixed price that is a lump sum whiteout the
possibility to ever increase the agreed price even one dime, this is
permissible.