Looking to optimize cards for future travel

Looking to optimize cards for future, and either save money or get travel rewards. Have not had a lot of travel in past but looking to do more in the future, especially if we have rewards to use. All cards are $0 balance. Prefer to have one card for most purchases, but open to multiple cards for best setup. CREDIT PROFILE Current credit cards you are the primary account holder of: (list cards, limits, opening date): o Chase Southwest, $ 13,000, 2016 (Daily Driver) o USAA, $ 21,500, 2006 (sock drawer, no usage) FICO Scores with source (see note on FICO score sources below): Experian 726 Oldest credit card account age with you as primary name on the account: 20 years Number of personal credit cards approved for in the past 6 months: 0 Number of personal credit cards approved for in the past 12 months: 0 Number of personal credit cards approved for in the past 24 months: 0 Annual income $: Household $147,000 CATEGORIES OK with category-specific cards?: Yes OK with rotating category cards?: Yes Estimate average monthly spend Dining $: 500-700 Groceries $: 300 Sams Club: 300 Gas $: 250 Travel $: 100 Any other categories: Phone: $100 Internet: $100 MEMBERSHIPS & SUBSCRIPTIONS Current member of Amazon Prime?: Yes Current member of Costco or Sam's Club? Sams Club Currently paying $13.99/month or more for Disney Bundle (Disney+ / Hulu / EPSN+) or other Hulu services? Yes Current member of Chase, US Bank or any other big bank?: Yes Are you or your spouse active US military?: No, Veteran PURPOSE What's the purpose of your next card (choose ONE)? Travel Rewards preferred airline and/or hotel chain you regularly use? Southwest, Hilton Honors Member.