You need 250Pols Power to participate: staking gives you instant pols power while holding gives you pols power after 7 days.
Higher pols power gives you a higher chance. See our ido guide here https://blog.polkastarter.com/how-to-participate-in-a-polkastarter-ido/
It depends on how lucky u are :) Though, I got in having 250 pols after trying 6 times. Remember, the process is lottery based ;)
You need 250Pols Power to participate: staking gives you instant pols power while holding gives you pols power after 7 days. Higher pols power gives you a higher chance. See our ido guide here https://blog.polkastarter.com/how-to-participate-in-a-polkastarter-ido/