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If you only agree to spend $0.00, probably the only option would be paper wallet. Otherwise find an old used smartphone ($20 -$30 or so), reset it, clean up as much it as you can, (format, reflash) install Electrum, or Mycelium or any other reputable wallet, move your coins here, and(important) .... Do NOT use it for any other purposes at all. This will be your personal "cold" wallet. Plus, have your HD wallet's seed words securely stored apart from this phone.

This way you will have your own "home made" hardware wallet, almost as good (secure) as Ledger NANO or TREZOR, for only a fraction of their price.

And way way MORE secure than any centralized exchange ! Any.



"Security for free" is just not existing thing in this world.
And Big security usually is available for BIG money.

I do have a spare phone and I think I can use that to store my coins. I might not have much but who knows, those $700 might become $700,000 someday.
Thank you for the detailed information. Appreciated!.

700 >>700000 ? 1000x?
Seems your mind is tuned well ! :)

I don't want to say that $3M per coin is not possible at all. I just maybe a bit to old to see it myself.

Lol.
I added an extra "0" there by mistake.
I meant 100x and that looks possible maybe in next 5-6 years.