Home equity investment — you may have heard it called an HEI or a shared equity agreement — is one of those financial products that sounds almost too clever. A company gives you a lump sum of cash today, takes no monthly payments, charges no interest, and in exchange gets a percentage of your home’s future value when you sell or buy them out. No debt. No credit check stress. No extra bill every month.
It sounds great. And sometimes it actually is. But there’s a catch hiding in the fine print that Arizona homeowners need to understand before signing anything.
What Exactly Is a Home Equity Investment?
An HEI is a contract between a homeowner and an investment company — names like Hometap, Point, and Unlock are among the more well-known providers. Here’s the basic structure:
- You own a home with substantial equity (most providers require at least 20–25% equity remaining after the payout)
- The company gives you a lump sum — typically between $30,000 and $500,000 depending on your equity and property value
- In return, you agree to share a portion of your home’s appreciated value when you exit the agreement — usually within 10 to 30 years
- You can exit by selling, refinancing, or buying out the investor’s share
There are no monthly payments. Your credit score matters, but it’s not the primary underwriting factor. For homeowners who are equity-rich but cash-flow tight, the appeal is obvious.
The Real Cost (That Nobody Leads With)
Here’s where I want to slow down, because this is the part that surprises most people I talk to.
HEI companies don’t just get a flat share of what you paid them back. They get a percentage of your home’s total appreciated value — often calculated from an appraised starting value that’s already marked down 10–20% below market price. That discount is baked into the contract, and it amplifies the investor’s effective return significantly.
Let’s say your Chandler home is worth $500,000. You take $80,000 and agree to give the company 25% of the future value. Five years later your home sells for $650,000. You owe them $162,500 — not just the $80,000 you took. That’s over 100% effective interest when annualized over five years, depending on how fast your market appreciates.
In Phoenix metro — where median home values have climbed roughly 60% over the five-year stretch ending in 2024 — that appreciation math can turn an HEI into an expensive deal fast.
Comparing HEI to Other Equity Access Options
| Product | Monthly Payment | Rate/Cost | Credit Sensitive? | Risk |
|---|---|---|---|---|
| HELOC | Yes | Variable, ~8–9% as of 2025 | Yes | Moderate |
| Cash-out refinance | Yes | Fixed, ~7% range | Yes | Moderate |
| Home Equity Loan | Yes | Fixed, ~8–9% | Yes | Moderate |
| HEI | No | 0% interest, but % of appreciation | Less so | High in rising markets |
If rates eventually come down and you can lock in a HELOC at a competitive rate, it may cost you significantly less than an HEI in a market that keeps appreciating.
Where HEIs Actually Make Sense
I’m not here to tell you these products are a scam. They’re not. There are situations where an HEI is genuinely the right tool.
Self-employed borrowers who can’t document income cleanly enough for a conventional lender. I’ve worked with several Phoenix-area business owners in this exact situation — solid equity, messy tax returns, and a real cash need. Traditional lenders kept turning them away. An HEI got them funded.
Homeowners near or in retirement who need to access equity without adding to monthly obligations. If you’re on a fixed income in a Scottsdale home you’ve owned since 2005, adding a $700/month HELOC payment can genuinely strain your budget. The HEI gives you the lump sum without the payment pressure.
Short-term cash needs with a clear exit plan. If you know you’re selling in three to four years anyway and you need bridge capital now, the cost-benefit analysis can look better. The investor doesn’t get as long to ride your appreciation curve.
Lower-appreciation environments. If you genuinely believe your local market is flat or slow-growing — which some pockets of the Valley are, frankly — the cost of sharing future appreciation is lower.
The Risks Arizona Homeowners Should Think Hard About
Phoenix is a growth market. That’s the thing. When you’re in a market where home values tend to climb over time, sharing appreciation is expensive. We’ve seen explosive growth in places like Queen Creek, Gilbert, and Buckeye over the past decade, and while no market goes up forever, Arizona’s population growth and land constraints in desirable corridors aren’t going away.
A few risks worth being direct about:
- Buyout costs can be a surprise. If your home appreciates faster than expected and you need to buy out the investor mid-term, you may not have the cash to do it without refinancing — which may cost you at whatever rate exists at that moment.
- Terms vary dramatically between companies. Read every line of the effective appreciation cap, the starting home value used in the contract, and the exit terms.
- Some agreements have complicated settlement formulas. If your home needs major repairs before selling, who absorbs that cost? The answer differs by provider.
- You still own all the maintenance obligations. The company takes a share of the upside but contributes zero to the carrying costs. That asymmetry is by design.
It’s also worth noting that as equity products proliferate, alternatives like adjustable-rate mortgages have also been gaining traction with homeowners trying to reduce their monthly burden. Compare all of them side by side before committing.
What to Do Before You Sign Anything
Get a real number. Ask the HEI company to model out three scenarios: flat appreciation, 3% annual growth, and 6% annual growth. See what you’d actually owe at exit in each case. Any reputable provider will do this.
Then compare that number against what a HELOC or home equity loan would cost you over the same period at current rates. If you want to go deeper on the comparison, I’ve covered how to get equity out of your home without refinancing — including when the no-debt route actually wins on cost.
Talk to a tax professional too. HEI payouts are generally not considered loan proceeds, which affects how they’re treated — and the IRS treatment of HEI buyouts is still evolving.
The Bottom Line
Home equity investments fill a real gap in the market, and for the right homeowner in the right situation, they work. But in an appreciating market like metro Phoenix, they carry a real cost that doesn’t show up as an interest rate on a disclosure form — it shows up at closing when you see what you owe the investor.
Do the math on all three or four equity access options available to you. Know what your home might be worth in five and ten years under different scenarios. And be especially careful if you’re in a neighborhood with strong appreciation history. The faster your home grows in value, the more expensive an HEI becomes.
Equity is the most valuable financial asset most Arizona homeowners have right now. Treat it that way.