Grab a tap signer for 30 $ but ... If you don't want buy it or you want to learn sovereignty, try this. Download verify and install tails os and ian Coleman tool on a USB. Pick a set of genuine casino dices and throw it to pick your entropy Be aware of cameras and viewers You need at least to generate true entropy for 12 words for your seed and another 12 words recommended for your passphrase If you don't want to calculate the checksum of yours seeds you can pick entropy for 11 words and try to find the 12th word just picking randomly until it generates a valid seed you can verify this on ian Coleman or in sparrow. Once you have generated your 2 12 word bip39 seeds you can write it to a paper one is the seed and the other works as a passphrase . Derive it and write too your fingerprint and descriptors. Reboot tails and rehydrate the seeds , check against your fingerprint. Stamp these seeds in stainless steel washers (google blockmit) and label it as seed and pass, make many copies. Check to rehydrate again always on tails. Write the extended pub key. Format or destroy the USB. Enter your ext pub key in whatever device you want sparrow for example. Hide you washers in different locations never near seed of pass Now you can hodl here. Your pkeys aren't in any digital device and you can save on the more hard money human had known. Zap me later.