How does a weekly subscription work and the difference from full

How does a weekly subscription work:

if you don't find it within a week, we'll refund your money. if you find it, then you must either pay the rest (depending on how much you found) and the software stays with you forever. any updates will be free for you.

example: you buy BTC weekly sub $100 , you found wallet $100, you must pay $50 and soft stays forever, next wallets yours

difference between a weekly subscription and a full one:

1) there is a general price list for software, you can immediately buy the software for full price and use it always, all found wallets - yours! 

2) there is a weekly subscription, the essence of it is that you pay for a week and if you don’t find it in a week, we return the money, if you find it, you have to pay an additional amount minus what you found, sometimes people find big wallets and pay nothing extra. You will not be able to withdraw money, we will take profit from your wallets until the full version is paid

*A weekly subscription for a person to test the software, sometimes they don’t find it within a week and we return the money!

*If you have a full subscription, the software is yours forever. non-refundable. all wallets are yours. any updates are free