Self-directed IRAs & Solo 401(k)s let you hold rental homes, private equity, gold, crypto, notes & startups — tax-advantaged. Learn the IRS rules, avoid UBIT traps, and build cash flow that lasts.
IRS COMPLIANT • CUSTODIAN-NEUTRAL • NO HYPE — UPDATED OCT 2026


01 — About Us
SelfDirectedInvestments.com was born after 2008, when 401(k)s lost 37% while farmland, rentals and private credit held value. Our mission: give everyday Americans the same toolbox as family offices — legally, inside an IRA.
2009
Founded after crashFirst guide: “Buy rentals in your IRA legally” — 40k downloads.
2016
Crypto IRA labTested Bitcoin in SDIRA before Fidelity offered it.
2021
84k studentsLaunched Solo 401(k) checkbook course + UBIT calculator.
2026
Awwwards-level hubInteractive tools, video deconstructions, live deal rooms.
02 — Beyond Stocks
All allowed in a self-directed IRA if you follow IRS §4975. Click Insights for deep dives.

Single-family, duplexes, syndications. Avg 11-15% cash-on-cash in Sunbelt. Use non-recourse loans to avoid UDFI surprises.
● POPULARITY 98% • RISK: MEDIUM

IRS-approved bullion .995+ purity, held in depository. Hedge for 2025 inflation regime. No collectibles.
● HEDGE 92% • RISK: LOW

BTC, ETH in cold storage IRA LLC. Tax-free Roth growth. Volatility high — position size 2-7%.
● VOLATILITY HIGH • UPSIDE 10X

First-lien deeds at 9-12%, 6-18 months. Be the bank. Perfect for Solo 401(k) checkbook speed.
● YIELD 9-12% • RISK: MEDIUM

Reg D funds, LLC stakes, pre-IPO. $25T private market now accessible. Requires accredited status often.
● LONG HOLD 5-10Y • IRR 18%+

Tax liens 8-16% statutory, raw land banking, oil royalties. Niche, high diligence, low correlation.
● NICHE • DILIGENCE HEAVY
03 — Process
Traditional, Roth, SEP or Solo 401(k) with checkbook. We quiz you in 60 seconds.
Direct transfer from old 401(k)/IRA in 3-7 days. No taxes, no penalties.
Compare 12 vetted custodians by fee, speed, asset support. $199-$399/yr typical.
Send investment direction form. Custodian funds LLC/escrow. You manage the asset.
| Feature | Brokerage IRA | Self-Directed IRA / Solo 401(k) |
|---|---|---|
| Stocks / ETFs / Mutual Funds | ✅ Yes | ✅ Yes |
| Real Estate, Notes, Gold, Crypto, Startups | ❌ No | ✅ Yes — 40+ asset classes |
| Checkbook Control | ❌ No | ✅ Yes (Solo 401k / IRA LLC) |
| 2026 Max Contribution | $7,500 IRA | $69,000 Solo 401(k) + $7,500 IRA |
| Leverage without UDFI (real estate) | — | ✅ Solo 401(k) exempt |
| Annual Fees | 0–1% AUM | Flat $199–$399, no AUM % |
04 — Math of Freedom
Drag the sliders. Assumes tax-deferred compounding inside SDIRA. Historical rentals ~12%, notes ~10%, S&P ~10% but with higher drawdowns.
Solo 401(k) allows 9x larger contributions than a standard IRA if self-employed. Compare accounts →
Contributions: $242,000 • Growth: $882,000
Start My Rollover05 — Accounts
MOST FLEXIBLE
Pay tax now, never again. Best for crypto, high-growth startups. $7,500/yr ($8,500 if 50+).
● HIGHEST LIMITS
For self-employed, no employees. $69,000/yr, $500k+ loans, UDFI-exempt leverage.
CLASSIC
Pre-tax deduction today. Ideal for rentals & notes if you expect lower bracket in retirement.
“Moved $210k from a stagnant 401(k) into two duplexes inside my SDIRA. $2,850/mo tax-deferred. Wish I’d learned this at 30, not 47.”
— Marcus T., Landlord, Tampa“The UBIT calculator alone saved me $18k. I switched a leveraged deal to my Solo 401(k) and legally avoided UDFI.”
— Dr. Elena R., Dentist, Austin06 — Compliance
Self-direction is legal since 1974 (ERISA). You just must avoid self-dealing. Here are the 5 questions we get daily.

07 — Insights 2025–2026
Deep dives on SDIRA tactics, IRS updates and deal breakdowns.
08 — Start Today
Contribution limits, custodian comparison, 9 deal structures, UBIT worksheet + prohibited transaction checklist.