24 yo , real estate purchase

[Tomcruise]

If you were me.......................................and you were looking to buy a 250k condo/fixerupper with 50k down.
Playing the interweb poker full time (2/4nl-5/10nl + donkament)...at the time of purchase how much money is the right amount to have????

Want to put down 20%?!
Have money set aside so I don't have to stress the mortgage payments/other costs?
Have money to play poker?

Net worth needed at time of purchase?