I use my CSP for everything, except for the Freedom bonus categories (gas, Starbucks refills, etc.). Then transfer the UR points from Freedom to CSP, which has greater spending flexibility.
I see no reason you wouldn't get all sign up bonuses by applying for both simultaneously.
FICO Scores (MARCH 2016): EQ 829; EX 825; TU 828
AmEx BCP $25,000; AmEx Platinum (NPSL); Barclaycard JetBlue Rewards $5,000; Bank of America Cash Rewards $27,500; Chase Sapphire Preferred $33,700; Chase Marriott Rewards Premier $15,000; Chase Freedom $12,000; Citi Prestige $30,500; Virgin America Premium $25,000; The Home Depot Card $20,500; Capital One Platinum $15,000
