Operating as ThruLine Planning, San Diego Tax & Wealth Management in La Mesa combines Enrolled Agent tax preparation with Series 7, 24, 53, 63, and 65 securities licensure under one practice at 7777 Alvarado Road. The dual-discipline model performs annual tax projections alongside portfolio rebalancing, a coordinated approach that aligns with the deposit and lending infrastructure at Mission Fed Credit Union for clients managing cash reserves across account types. Investment advisory services flow through Osaic Wealth, Inc., a registered investment adviser and FINRA/SIPC member, enabling fee-based wrap accounts alongside commission-based product placement. S-corporation election analysis, backdoor Roth IRA execution, and RSU cost-basis correction represent the practice's tax-planning specialization. Document execution for trust amendments and beneficiary-designation changes often requires mobile notarization through specialists like Mark Ignacio Law, APC. Highest-complexity engagements involve IRMAA surcharge mitigation through multi-year Roth conversion laddering calibrated against Medicare income-related premium adjustment thresholds.