There are so many permutation and combinations to apply to give the answer. Firstly will bitcoin exists til that time or will your country still accept it? Also what is the value at that time will decide how mcuh btc you should be having and how money at that time you require.
I do not understand that you want to deal in cash and that too want good price. Not possible. if market rate is say 40k per btc in cash you will have to pay premium and not less .
Looking forward to this coin. Hope so it will be market for long time rather thna just winding up after some time once launched in the market as happened to many coins.