fence post anchor
Worth a lookShows demand growing +109.7% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Great+109.7%90-day search growth — must beat 0% to launch
Competition
Great21%top-5 click share — an open shelf
Avg price
Great$47.47avg listing price — sweet spot $15–$100
Review moat
Great200.37avg incumbent reviews — the moat a new listing must climb
Brand share
Great49%top-5 brand share — no brand owns this niche
Returns
Good2.1%return rate — above 5% kills the launch gate
Price range
Good$12.60–$149.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$337K$337K/yr · 305K searches
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, fence post anchor is a $337K/yr Amazon United States market (305K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 73/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
fence post anchor market data
- Units sold / yr
- 10K–13K
- avg 0–100/product
- Revenue / yr
- $475K–$593K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #182
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 94%
- Out of stock
- 10.4%
- Avg brand age
- 33 months
- Avg seller age
- 178 days
Competition & brand share
Clicks spread well past the top 5 (21% combined) — an open shelf where new products get seen.Brands
30 falling
Sellers
41
Top-5 brand share
49%
Top 20: 94%
Top-5 click share
21%
Top 20: 50%
Open market
43%
- LADECH15%
- XYADX11%
- CDFYJHFDQ8%
- POSTYBAY8%
- Nrspp8%
- Sekcen7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +109.7% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 4.5×
Top fence post anchor search terms
- 4x4 post spike52K/yr
- fence post anchor73K/yr
- no dig ground anchor 4x4 post14K/yr
- mailbox post anchor19K/yr
- fence post anchor ground spike15K/yr
- no dig ground anchor12K/yr
- fence post anchors11K/yr
- post anchors 4x4 no dig6K/yr
- post spike11K/yr
- fence post stakes11K/yr
Top fence post anchor products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sekcen 6 Pcs Fence Post Anchor Ground Spike 4x4 Metal Post Stake 24 Inch for Mailbox Deck Railing Black
Sekcen$68.014.7★438 rev
XYADX 24 inch Fence Post Anchor Ground Spike Heavy Duty Metal Black Powder Coated Fence Stakes Post Base 4x4 Inch (Inner Size 3.6x3.6) Pack of 4
XYADX$43.184.4★439 rev
LADECH 16 No-Dig 44 Ground Spike Post Anchors Powder-Coated Steel Includes 4 Corner Screws Heavy-Duty Ground Anchors for Fence Mailbox & Deck Posts (1 PC)
LADECH$48.124.2★41 rev
kdgarden Fence Post Anchor Metal Ground Spike Heavy Duty Black Coated Powder Fences Stakes Posts Support Base for 4x4 Mailbox or Fence Post 24x4x4 Outer Dia (3.5x3.5 Inner Dia) Pack of 4
Kdgarden$39.374.5★354 rev
XYADX No Dig Ground Screw Anchor - Black U Shaped Post Stake for 4x4 Wood Posts Includes Lag Bolts & 27 Rebar for Mailbox Posts and Fence Posts Anchor 1 Pack
XYADX$35.434.3★44 rev
Newest
by launch date
XYADX 2 Pcs 24 Inch Fence Post Anchor Ground Spike Heavy Duty 4x4 Metal Post Base (Inner Size 3.6x3.6) Black Powder Coated for Mailbox Deck Fence Support
XYADX$34.9218 rev
Goovilla Fence Post Repair Kit 2Pcs Heavy Duty Fence Post Anchor Ground Stakes Robust Quick-Fix Wood Support for Broken/Leaning/Tilted/Degraded Wood with Gloves/Installation Easy to Install Black
Goovilla$29.96165 rev
XYADX No Dig Ground Screw Anchor - Black U Shaped Post Stake for 4x4 Wood Posts Includes Lag Bolts & 27 Rebar for Mailbox Posts and Fence Posts Anchor 1 Pack
XYADX$35.4344 rev
LADECH 4x4 Fence Post Anchor Ground Spike 24 Length with Ground Anchors Screw in - Metal Black Powder Coated Mailbox Post Anchors Fit 3.5x3.5 Standard (Black - 1 Pc)
LADECH$58.0825 rev
2 Pcs 4x4 Fence Post Anchor Ground Spike (Internal 3.6x3.6) Metal Post Stake Ground 22 with Black Powder-Coated Fence Stakes Post Base for Deck Fence Porch Railing Mailbox
CDFYJHFDQ$34.22139 rev
Trending
90-day click momentumXYADX 2 Pcs 24 Inch Fence Post Anchor Ground Spike Heavy Duty 4x4 Metal Post Base (Inner Size 3.6x3.6) Black Powder Coated for Mailbox Deck Fence Support
XYADX$34.924.6★
ARIFARO 4x4 Fence Post Anchor Ground Spike 32 Inch Heavy Duty Powder Coated Metal Post Anchor for Mailbox Fence & Garden Posts Fits 3.5 x 3.5 Actual Post Black Pack of 4
ARIFARO$47.544.4★
Goovilla Fence Post Repair Kit 2Pcs Heavy Duty Fence Post Anchor Ground Stakes Robust Quick-Fix Wood Support for Broken/Leaning/Tilted/Degraded Wood with Gloves/Installation Easy to Install Black
Goovilla$29.964.2★
LADECH 4x4 Fence Post Anchor Ground Spike 36 Length Metal Black Powder Coated Mailbox Post Anchors Fit 3.5x3.5 Lumber (8 Black)
LADECH$118.694.1★
4 Pack 24 Fence Post Anchor Ground Spike Metal Black Powder Coated 24 x 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches)
MTB Supply$45.894.6★
What buyers say about fence post anchor
What buyers praise and complain about, mined from review topics.What buyers love
“Built very solid”
“Excellent Product”
“Easy to install”
“As described”
“Easy to use”
“Good price”
“have held up well so far”
“The design is quite clever”
“Heavy, Solid Build”
“Overall, a practical and cost-effective repair solution”
What buyers complain about
“doesn't fit”
“Screws are weak”
“Broke easily”
“Really poor quality”
“install can be a pain”
“Take it slow when augering it into the ground”
“Difficult to use”
“Not as pictured”
“The screws are not long enough”
“Rusting already”
Top return reasons
Common questions
- Is fence post anchor profitable to sell on Amazon United States?
- The niche generates $337K/yr across 83 tracked products. 12 of 20 products launched in the last 360 days are still selling. 90-day search growth is +109.7%. Flapen's verdict: Worth a look (73/100).
- How competitive is the fence post anchor niche?
- 30 brands and 41 sellers compete. The top 5 products take 21% of clicks and top 5 brands hold 49% of demand.
- What do buyers complain about in fence post anchor?
- Top complaints mined from reviews: Size-Overall, Strength, Durability. The return rate is 2.1%.
- When does demand for fence post anchor peak?
- Demand peaks in Mar–Apr; the busiest month runs 4.5× the quietest.
- What does it cost to enter the fence post anchor niche?
- Listings span $12.60–$149.75; the average listing price is $47.47 (sweet spot $15–$100). The average incumbent carries 200 reviews — the moat a new listing must climb.