The amount of OXT and ETH needed to create and fund account varies from time to time based on Ethereum transaction fees, the current price of ETH, and the current price of OXT.
When creating a custom account, Orchid's account management web dApp will display recommended values based on all variables, and will automatically divide thje number of OXT you want to depost between the Balance and Deposit buckets based on the account efficiency value you select.
You can watch a tutorial on creating a custom account on Ethereum, using OXT, here: https://www.youtube.com/watch?v=5pACL-N2Sf0
Alternatively, if you're running Android, iOS or macOS, you can take advantage of in-app purchases to purchase an account for just $1 on the xDai blockchain!