U can get cash by doing Paris, Battlesquare, F7 Valid Reath (on wave 40 and 50) and on the daily events like Q&A or guessing a number where u can win gold on mass.
Also about ur argument with low player count and paris without guild.
1. I wasn't even 2 hours online when 2 guilds already asked me to join lel and player count is growing
2. create a summoner and solo Paris easy.